It is also. Helenium urmenetae. 00 – $ 100. Helenium ‘Tijuana Brass’ was introduced in 2012 by Joy Creek Nursery in Scappoose, Oregon. Kissé szabálytalan habitusuk miatt kitűnően alkalmasak természethű kertekbe. Data Source. Gymnocladus dioicus - Kentucky coffee tree ( POM ) Hamamelis vernalis - Ozark witch hazel ( POM ) Hamamelis virginiana - common witch hazel. S. Common sneezeweeds are perennial flowering herbs. The subspecies autumnal is found across Maryland, as is the fellow damp-adapted species Purple-headed Sneezeweed (Helenium flexuosum), though its peak bloom is around midsummer instead. Stems usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally. autumnale and its variant Can Can. wide (8 cm), with upsweeping and upwardly curled petals surrounding a prominent chocolate brown center disk that is covered with golden pollen and attracts butterflies. ใช้แอป . NCBI BLAST name: eudicots Rank: species USDA Plants Database Here are the main care requirements for growing helenium: Plant helenium in a location with full sun and well-drained, moist, acidic soil. See this plant in the following landscape: Cultivars / Varieties: Native to North America, they are prolific late season bloomers. BUT Helenium flexuosum Raf. Stems usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally. Tropicos. Helenium flexuosum: ray flowers numbering mostly 8-13 per capitulum, neutral, disk flowers red-brown to purple-brown, and leaf blades entire to subentire (vs. These native originals are the best choice, as they co-evolved with specific. Integrated Taxonomic Information System: Helenium flexuosum: PLANTS Database (USDA/NRCS) Helenium flexuosum: Plants of the World Online: Helenium flexuosum: The International Plant Names Index: Helenium flexuosum Raf. 00 Helenium flexuosum (Purple-headed Sneezeweed) $8. Rock - fringed sneezeweed P: Helenium elegans DC. Missouri Botanical Garden. Helenium flexuosum Purple-Head Sneezeweed . The large flowers, up to 3 in. Celtis laevigata Carpinus caroliniana Helenium autumnale Carex scoparia sugarberry ironwood common sneezeweed broom sedge Diospyros virginiana Cephalanthus occidentalis Helenium flexuosum Carex stricta persimmon buttonbush purplehead sneezeweed tussock sedge Fraxinus. Each head has a rounded center of sometimes as many as 250 golden yellow disc florets and a fringe of 8. Purplehead sneezeweed, hélénie nudiflore Helenium nudiflorum Nuttall. campestre (perennial, 2n = 28) and some member of Helenium sect. Leaves glabrous or sparsely to. Mid-green narrow serrated leaves, 15 cm long. Lactating animals eating bitterweeds may have bitter-tasting milk. Despite this smaller stature, plants struggled to remain upright through the season and required as much supplemental. Distribution of Purple-headed Sneezeweed (Helenium flexuosum) specimens in the ISM Herbarium: Helenium flexuosum Records for Wabash County, Illinois ISM accession# 84298 Collector: Gerard, John H. 95. Helenium pinnatifidum. In this study, we systematically identified potential H. บ้าน . It thrives. Howe, Rhodora 70: 454. S. It grows 30-40” tall on rigid, stems clad with alternate, obovate, green leaves (to 4” long). Western Ironweed $ 3. autumnale as a species complex (Rock 1956; Bierner 1972). Helianthus debilis Nutt. Along sand road 0. Helenium flexuosum is a species of annual herb in the daisy family known by the common name purple sneezeweed. It is widespread across much of eastern and central United States and Canada, from Nova. Seeds are available through the Florida Wildflowers Growers Cooperative - H. Helenium 'Mardi Gras' PP15124 sneezeweed . Rock 1957). This plant is very adaptable to a variety of soils but usually found on damp, acidic soils in full sun. Helenium flexuosum, commonly called purple-headed sneezeweed, is most easily distinguished from other sneezeweeds by its spherical, brownish-purple center disk. Gorgeous, two-toned petals unfurl in shades of yellow, orange, rust and mahogany, revealing a strong and sturdy center cone. Native to Eastern and Central United States. They are especially valuable late summer into fall, when few perennials are at their peak. Habit - Perennial forb with fibrous roots. Never collect native plants from the wild as it will deplete natural ecosystems. Mt. Helenium flexuosum is a compact perennial that typically grows 3' tall, with remarkable daisy-like flowers. 1 Stem leaves very numerous, 0. Kingdom Plantae > Division Tracheophyta > Class Magnoliopsida > Order Asterales > Family Asteraceae > Genus Helenium Records: There are 53 records in the project database. SKU: HEFLEs-PA UPC: MAXIMUM HEIGHT: 3 feet FLOWER COLOR: Yellow BLOOM PERIOD: 4 Summer SUNLIGHT PREFERENCE: Full sun to light shade MOISTURE: Average, moist. Helenium flexuosum (Purple-headed Sneezeweed) Rating Required. Plant boldly colored Sneezeweed (Helenium) for blooms that brighten a border, meadow, or wild garden with ease. 6. Helenium autumnale sneezeweed Helenium flexuosum purple-headed sneezeweed Helianthus divaricatus woodland sunflower Helianthus tuberosus sunchoke Heliopsis helianthoides oxeye Heuchera americana 'Green Spice' Green Spice coralbells Heuchera americana var. As an aside, our third and scarcer local species, Narrow-leaved Sneezeweed (Helenium amarum ssp. Attractive to butterflies. ‘Fuego’ is compact and reached a height of 2’ in our trial. Taxonomy information for Helenium flexuosum. Helenium flexuosum Raf. H 2 O, respectively. It can become weedy in disturbed areas such as old fields, pastures, and roadsides. Helenium flexuosum Rafinesque [family COMPOSITAE], New Fl. Viola macloskeyi. This. flexuosum and other species in the genus contain a lactone known as Helenalin. Lawn & Turf Topics; Landscaping; Garden Design; Edible GardeningPlant Finder; Lawn, Landscape & Garden Design. Helenium flexuosumは高さ40インチまでの多年生草本です。 1つの植物で、分岐アレイに80個以上の頭花を生成できます。各頭部には、最大700個の黄色または紫色のディスク小花があり、時には光線小花がなく、時には8-13個の黄色、赤、紫、または茶色の小花があります。 1. 6 m (2ft). 4: 81. This perennial with yellow flowers is a native of the lower 48 states and Canada. Helenium. The Trial Garden is maintained with the home gardener in mind. Viola macloskeyi. About 25 percent of the plant species native to North America are at risk of extinction. Remove the seeds from the heads by rubbing then shake through a screen to remove chaff. These bitter compounds cause irritation to the mouth and digestive tract resulting in salivation, vomiting and diarrhea. Like other Helenium in this collection, H. The record derives from TICA (data supplied on 2012-02-11) which reports it as an accepted name (record 0DC20D45-2560-42DF-AFE8-EC467CB7513C) with original publication details: New Fl. NCBI BLAST name: eudicots Rank: species Genetic code: Translation table 1 (Standard) Mitochondrial genetic code: Translation table 1 (Standard)Euphorbia cyparissias, also known as Cypress spurge, is considered invasive in many parts of North America. Lawn & Turf Topics; Landscaping; Garden Design; Edible GardeningTall, Helenium ‘Flammenrad’ (‘Flaming Wheel’) produces vibrantly colored daisylike flowers with wide spoon-shaped petals surrounding a prominent chocolate brown center disk that is covered with golden pollen and attracts butterflies. The plant can also grow in upland areas but requires consistent moisture. Create a Login Forgot Password. It is an erect, clump-forming perennial that is native to the eastern and midwestern U. Tiny Dancer is stunning in the garden or cut some for attractive, long-lasting flower arrangements. Establishment and Care Instructions. Helenium flexuosum Raf. These upright inch-wide spherical cones are complemented by a circle of bright yellow, 1. Seeds will sprout in 7-10 days. A number of these species (particularly Helenium autumnale) have the common name sneezeweed, based on the former use of their dried leaves in making snuff. The PLANTS Database includes the following 57 data sources of Helenium flexuosum Raf. An illustrated flora of the Pacific States. Category: Perennials Water Requirements: Average Water Needs; Water. Mt. Helenium flexuosum Daisy family Joe-Pye weed Eutrochium sp. Despite its common name, it presents no problems for most allergy sufferers. Pinch plants in the spring to encourage branching. An essential native flower for bees, it blooms long and thrives in fertile, compost-enriched borders. This compact variety is part of the Mariachi™ Series and features orange petals with a gold halo surrounding a brown cone. 5. The flowering heads are in open, bracted inflorescences. linifolium, an annual from southern Texas. Genus: Helenium L. Plant Finder; Lawn, Landscape & Garden Design. The team of experts at Prairie Legacy Inc. Flora of North America (FNA) Collection. Helenium flexuosum Rafinesque, New Fl. Reference page. virginicum habitat in the Ozarks by using topographic maps and aerial photographs and surveyed thesePlant Finder; Lawn, Landscape & Garden Design. Yellow petals with faint apricot streaks are offset by espresso colored cones. Recommended Sun-Loving Native Perennials for Central Florida. 00 – $ 550. linifolium, an annual from southern Texas. It is a perennial plant native to Europe and was introduced to North America as an ornamental plant. Family. Helenium flexuosum. Leptopoda. As a result, it is useful for treating liver damage associated with alcohol abuse and industrial toxins. Two sesquiterpene lactone constituents of Helenium flexuosum Raf. Helenium flexuosum, commonly called purple-headed sneezeweed, is most easily distinguished from other sneezeweeds by its spherical, brownish-purple center disk. statewide. Monitoring and rapid response: Effectively controlled by any of the several readily available general use herbicides before the plant flowers. Purple-headed sneezeweed is a perennial wildflower with branching, winged stems. Wildlife Connections: Sneezeweed's nectar and pollen attract a wide range of insects, including many bees, wasps, flies, butterflies, and skippers. While blooms were not as numerous as other cultivars, individual inflorescences were some of the largest produced by any sneezeweed in our trial, with some reaching a diameter. Purple-headed Helen's Flower (Helenium flexuosum) Purple-headed Helen's Flower (Helenium flexuosum) Not preferred by deer or rabbits. 28º 43’ 0” N -82º -18’ 0” W: Description: Disk corollas dark reddish. Plantae. linifolium, an annual from southern Texas. All names follow the Guide to the Vascular Plants of Tennessee (2015). Helenium amarum is a multibranched bushy erect plant reaching 20 to 70 centimeters (8-28 inches) in height and thickly foliated in narrow to threadlike leaves. Tetrodus (H. Because of vegetative offsets, multiple stems usually develop. flexuosum (11 sequences from four U. When possible, plant species grown straight from local seed sources. Uma planta pode produzir 80 ou mais cabeças de flores em uma matriz ramificada. Integrated Taxonomic Information System: Helenium flexuosum: PLANTS Database (USDA/NRCS) Helenium flexuosum: Plants of the World Online: Helenium flexuosum: The International Plant Names Index: Helenium flexuosum Raf. campestre (perennial, 2n = 28) and some member of Helenium sect. F. Helenium flexuosum is a North American plant species in the daisy family known by the common name purple sneezeweed. , 1838. Perennials, 30–100 cm. Autumn Sneezeweed was known in Europe by 1729, and soon. Helenium flexuosum Rafin. Never collect native plants from the wild as it will deplete natural ecosystems. Click here for a description of rare, threatened, or endangered (RTE. Helenium flexuosum, VA Ecotype Purplehead Sneezeweed, VA Ecotype Provides summer color to moist soils. Purple-headed sneezeweed can be found in forests or natural areas and along stream banks and in wet areas. states), and H. Plant Type: Herbaceous Perennials. Compact 4’ plants deliver a cascade of inflorescences for seven weeks from early July through the middle of August. Like most Helenium, this species benefits from staking. So sweet! Like ballerinas dancing in bright tutus throughout the foliage. It is widespread across much of eastern and central United States and Canada, from Nova Scotia west to Ontario, Minnesota, and Kansas, south to Florida, Louisiana, and eastern Texas. Zimbelstern and the orange-red. Origin: Native. Space plants 3 to 4 feet apart to ensure good airflow. Publication Date. Helenium flexuosum, commonly called purple-headed sneezeweed, is most easily distinguished from other sneezeweeds by its spherical, brownish-purple center disk. It is widespread across much of eastern and central United States and Canada, from Nova Scotia west to Ontario, Minnesota, and Kansas, south to Florida, Louisiana, and eastern Texas. Helenium bigelovii : Known as Bigelow’s sneezeweed, this native to California and Oregon features a golden yellow bloom with a large, bulbous, dark brown or purplish center. long (15 cm), and topped with eye-catching daisy flowers. amarum and H. purplehead sneezeweed [Helenium floridanum Fern. Plant database entry for Purplehead Sneezeweed (Helenium flexuosum) with 16 images, one comment, and 24 data details. Salt Spray Tolerance: Low/no tolerance of salty wind or direct salt spray. The genus is named after Helen of Troy. Helenium flexuosum (Purple-headed Sneezeweed) Rating Required. Family Asteraceae, Subclass Asteridae. Grows up to 30-36 in. 00 Purple-headed sneezeweed (does not cause allergies) is a smaller. hoopesii at higher elevations in the western mountains. Lawn & Turf Topics; Landscaping; Garden Design; Edible GardeningSneezeweed. Loài (species) H. Known as Sneezeweed because the flowers were pulverized to make a snuff that induced sneezing. A cheerful US native wilGoodyera pubescens - rattlesnake plantain. However, microsomal dealkylation activity of short alkyl chain alkoxyresorufin ethers (methoxy, ethoxy and propoxy) was inhibited approximately 50%. Helenium nudiflorum Nuttall. Cultural Information. Helenium flexuosum (Purple-head Sneezeweed) is an upright, single-stemmed. NWI TN: Facultative Wetland Common Name: purplehead sneezeweed *Non-native taxon known to be naturalized in Tennessee All names & statuses follow the Guide to the Vascular Plants of Tennessee (2015). Helenium vernale. Citrus Co. Good branching habit, strong stems. 1838. Cultural Information. The golden yellow petals are marked with an attractive broad red band. Helenium flexuosum Dark-Eyed Helen Jun-Oct Golden-yellow petals hang skirt-like around a spherical purple-brown center. Släktnamnet kommer från "helenion", en grekisk växt uppkallad efter Helen av Troja. Helenium flexuosum is a perennial herb up to 100 cm (40 inches) tall. Plants that fill a similar niche: Coreopsis gladiata. 1838. Plant Finder; Lawn, Landscape & Garden Design. On the basis of the above characters and a series of characters that have been judged to have a "primitive" or "advanced" standing within the genus Helenium listed below, a scheme reflecting the evolution that has occurred within and between these two subgroups seems possible. Perennials, 30—100 cm. autumnale, with ray flowers numbering mostly 13-21 per capitulum, carpellate, disk flowers yellow, and leaf blades coarsely toothed). It blooms from early summer to early fall in moist, wet or dry soils. It is a plant growing in damp areas up to about 3 feet tall, branching in the upper part of the plant. Helenium flexuosum Raf. Helenium plants got their common name “Sneezeweed” a long time ago from the use of their dried leaves in snuff. Actual Size; Fit to Browser Window; 50%; 200%; 400%; Photo by: Jacqueline Donnelly. Plant number: 1. Helenium pinnatifidum. Helenium flexuosum Raf. Helenium flexuosum. 1 mi. S. Helenium ‘Fuego’ is another hybrid sneezeweed of the Mariachi TM series from AB cultivars in the Netherlands. It is in flower from August to October. Common names: Purplehead sneezeweed hélénie nudiflore. It features two shaded flowers, golden overlaid copper-orange with brown centers and rusty orange undersides that. The plant is quite striking when in full flower. – Scientific name: Helenium autumnale – Bloom period: August to October. Uncopyrighted Draft 5 Associates: Attracts songbirds, game birds, small mammals, hummingbirds, butterflies, and hummingbird sphinx moths. Structures I and XX have been assigned to them. linifolium, an annual from southern Texas. The only member of sect. Helenium flexuosum Aster family (Aster family) Description: This herbaceous perennial wildflower is 1½–3' tall with each stem branching occasionally in the upper half. It can tolerate temporary flooding, prefers moist soil, and may wilt if the soil dries out. The only member of sect. adjectival suffix for nouns: possessive of or likeness of something (with, shaped, made)/ for verb participles: a completed action, -ed. , ranging across 44 U. Purplehead sneezeweed, hélénie nudiflore Helenium nudiflorum Nuttall. One can produce several yelloPurplehead sneezeweed (Helenium flexuosum). 5. Native to a large part of the United States, Helenium flexuosum has been introduced to and naturalized in parts of eastern Canada. Purplehead sneezeweed, hélénie nudiflore . Easily grown in full sun. 00 – $ 930. Bouché Helenium brachypoda Alph. Map not AvailableThe nicely arrayed Purple-headed Sneezeweed. Rafinesque. Seed. Most grow easily from seed. Helenium flexuosum Raf. Helen's flower has spotless foliage and strong stems holding masses of brightly multi-colored daisies with chocolate drop centers. Synonyms. In our trial ‘Sahin’s Early Flowerer’ bloomed for a lengthy seven-week period, just short of the eight-week achieved by two unnamed Helenium flexuosum accessions. A native perennial, this 2-to-3-foot species (Helenium flexuosum) is so attractive that it’s often mistaken for better known exotic perennials. Most grow easily from seed. Leaves glabrous or sparsely to moderately hairy; basal blades. 한 식물은 가지 배열에서 80 개 이상의 꽃 머리를 생산할 수 있습니다. Found in damp locations, can be used for rain gardens. USDA-ARS GRIN Taxonomy: search W3TROPICOS: Vascular Tropicos: Helenium. Leaves usually mostly cauline; mostly alternate (proximal sometimes opposite); petiolate or sessile; blades mostly elliptic, lanceolate, linear, oblanceolate, oblong, ovate, or spatulate, often. Helenium virginicum. Moisture Tolerance: Usually moist, occasional inundation ----- to ----- Short very dry periods. Some native flowering perennials will also germinate easily without a pretreatment including: Allium candense (Wild garlic), Echinacea purpurea (Purple coneflower), Helenium autumnale (Sneezeweed),. Flowering profusely in a riot of cheerful colors, Helenium 'Loysder Wieck' or 'Carnival' features masses of attractive blossoms with slender in-rolled yellow ray florets, revealing their caramel-coffee underside, thus creating a unique mix of glowing hues contrasting with the prominent chocolate center cones. Helenium flexuosum は幅広い温度条件に適応する能力を持つが、それでも水と暑さの条件の組み合わせによっては分布が制限されることがある。夏の温暖な気候で、十分な降雨や散水がある場合に最もよく生育する。曇天や雨天が長引いたり、高温が長引いたりすると、Helenium flexuosum 、枯死する可能. purple-headed sneezeweed. 흐리고 비가 오는 날씨가 장기간 지속되거나 고온이 지속되면 Helenium flexuosum 죽을 확률이 높아질 수. drummondii and H. Email Required. Herbarium Name Used: Helenium flexuosum 2/8/2012 - BKL (Steve Glenn) + Expand All - Collapse. Heleniums are closely related to Echinaceas and both offer ‘heads’ densely packed with nectar. Helenium flexuosum is a perennial wildflower with daisy flowers and a spherical, garnet-colored cone. 1838. H. NCBI BLAST name: eudicots Rank: species Genetic code: Translation table 1 (Standard) Mitochondrial genetic code: Translation table 1 (Standard)USDA Plants DatabaseHere are the main care requirements for growing helenium: Plant helenium in a location with full sun and well-drained, moist, acidic soil. Tetrodus (H. Loài này được Raf. Genus: Helenium L. Also known as Helen’s Flower, or Sneezeweed, there are many fine hybrid selections, valued for their late summer display of bright daisy-like flowers. The many gaps are due to it not being a common species of sneezeweed (Helenium). CHECK AVAILABILITY Prefers rich moist to wet soils. Other Common Name(s): Purple-headed Sneezeweed; Previously known as:Helenium flexuosum. Grindelia lanceolata - gum plant. Creative Commons License. Divide in spring to revive plantings. Helenium is a perennial that benefits from good spacing since the foliage is dense. In beds, borders, and meadow or prairie plantings that tend toward moist. Florida is divided into four main ecological regions: the East Gulf Coastal Plain, the South Atlantic Coastal Plain. It is in flower from August to October. Purple-headed sneezeweed has naturalized readily throughout New England from further South, and its use to pollinators is evident. Description. , 4: 81. Taxonomy of Helenium sect. Also called sneezeweed for early medicinal use as snuff. It has been suggested that Helenium flexuosum may be of hybrid origin from H. 繁體中文1. It is native to the eastern and central United States and attracts butterflies and birds. Multiple plants of each taxa are grown in a 15,000 sq. Some species can be grown from stem cuttings. ssp. Silybum marianum Marker. Its erect, branching stems are clothed with alternate, very fine, almost-threadlike leaves, 3 in. Purple Headed Sneezeweed, (Helenium flexuosum), is a perennial in the aster family that grows full or partial sun. long (7 cm), and topped with eye-catching daisy flowers. The Mt. Cuba Center is located near Wilmington, DE, (USDA Hardiness Zone7A/6B). Similar species: Purple-head sneezeweed (Helenium flexuosum) and Common sneezeweed (Helenium autumnale). 4: 81. Supposedly, dividing it every two or three. Purplehead sneezeweed, hélénie nudiflore . , NY: 17 Aug 2011. Helenium flexuosum is a North American plant species in the daisy family known by the common name purple sneezeweed. 1. Helenium flexuosum is a North American plant species in the daisy family known by the common name purple sneezeweed. Hassler, M. Specimen. Bloom Time: Midsummer to fall. Please register or login to build your personal plant list. Although it can be a beneficial and unique addition to pollinator gardens, many people avoid this plant because of its common name. A magasabb fajták különösen idősebb korban hajlamosak a megdőlésre, ezért ilyenkor támasztékot igényelnek. 적절한 강우량이나 물을 주는 여름철 따뜻한 기후에서 가장 잘 자랍니다. purplehead sneezeweed. Discussion. Document Type. Sida 13: 453–459. The flowers, 3 in. Helenium flexuosum and H. Space plants 3 to 4 feet apart to ensure good airflow. in Compan. When. 1 Stem leaves very numerous, 0. The alternate leaves are up to 5" long and 1½" across; they are lanceolate-oblong to elliptic-oblong in shape and slightly serrated along their margins. autumnale refers to a late summer through fall bloom period, later than. Helenium flexuosum Raf. Helenium flexuosum. The subspecies autumnal is found across Maryland, as is the fellow damp-adapted species Purple-headed Sneezeweed (Helenium flexuosum), though its peak bloom is around midsummer instead. Flora of North America. (Helenium flexuosum) 6 3. Helenium flexuosum: Commonly known as purple-headed sneezeweed, it’s a North American native that sports vibrant yellow petals with a deep purplish-brown center cone. Helenium flexuosum 'Tiny Dancer' This great floriferous and low-growing native is very attractive in the garden and in flower arrangements. NCBI BLAST name: eudicots Rank: species Genetic code: Translation table 1 (Standard) Mitochondrial genetic code: Translation table 1 (Standard)H. Helenium flexuosum, commonly known as Purplehead sneezeweed, is found in eastern states, stretching from Florida north to Maine and as far west as Texas. Name Required. Helenium is a native wildflower from the Americas, found around damp woodland areas, alongside streams and ponds, and in moist meadow lands and prairies, with regular moisture. 3 Ray flowers present; disc flowers either yellow or with. Quick View. Helenium flexuosum. Helenium flexuosum is a perennial herb up to 100 cm (40 inches) tall. sect. Browse pictures and read growth / cultivation information about Helenium, Sneezeweed, Helen's Flower, Dogtooth Daisy (Helenium flexuosum) 'Tiny Dancer' supplied by member gardeners in the PlantFile. - purplehead sneezeweed P: Helenium. Helenium flexuosum Taxonomy ID: 53721 (for references in articles please use NCBI:txid53721) current name. Account for Purplehead Sneezeweed - Helenium flexuosum Rafinesque:. virginicum, now recommended for delisting (30 sequences from three U. ‘Fuego’ is compact and reached a height of 2’ in our trial. L. Bright yellow daisy-like flowers. The yellow flowers are just as tall as those in the Mariachi series but the petals droop slightly, resembling ballet skirts, and the centers are more prominent. This compound is poisonous to various animals but has anti-cancer properties. Sow in doors 8-10 weeks before planting out in early spring when the soil is cool and light frost is still possible. Helenium, aka 'Sneezeweed', is a native flowering perennial that produces late-season blooms that butterflies rely on. Habitat : Moist to wet. Helenium flexuosum Taxonomy ID: 53721 (for references in articles please use NCBI:txid53721) current name. Purple-Headed Sneezeweed (Helenium flexuosum) Description: This herbaceous perennial wildflower is 1½–3' tall with each stem branching occasionally in the upper half. Its flower petals are actually yellow, but. . Helenium autumnale - sneezeweed. 3-9. Florida. H. Special Features. Densely branched, this Helenium features sturdy stems that rarely require staking! Blooms for 6-8 weeks from midsummer to fall. autumnale, with ray flowers numbering mostly 13-21 per capitulum, carpellate, disk flowers yellow, and leaf blades coarsely toothed). It is widespread across much of eastern and central United States and Canada, from Nova Scotia west to Ontario, Minnesota, and Kansas, south to Florida, Louisiana, and eastern Texas. Plant Spacing. There are five primary types of pappus structures each with two or more subtypes: bristles, which can be arranged in one or more rows and range from feathery (subplumose or plumose) to barbed (capillary barbellate or scabrous barbellate)Helenium autumnale : Common sneezeweed Helenium flexuosum : purple-headed sneezeweed Hibiscus moscheutos : Swamp mallow Hibiscus palustris – Hardy Hibiscus Hypericum prolificum : shrubby St John's wort Liatris aspera : Tall, Rough blazing star Maianthemum canadense – Canada Mayflower, False Lily of the Valley Panicum. Is an erect, fibrous rooted perennial with more or less pubescent stems that grow 4 feet tall and are winged by the decurrent leaf bases. It has been suggested that Helenium flexuosum may be of hybrid origin from H. A virágok szirmai kissé lefelé állnak, s a fogazott szélük felé kiszélesednek. Most grow easily from seed. 00. Helenium flexuosum. Kingdom. Viola sororia. Bierner thought that.