Helianthus angustifolius. Originaire d'Amérique du Nord, l'hélianthi fut introduit au début des années 1900. planifolius Fernald, Rhodora 49: 190, t. 1083. Helianthus angustifolius L. – swamp sunflower – Texas + Florida north to southern Illinois + Long Island. VIRGINIA: Sussex Co.: S of Stony Creek, 21 Sep 1939, Fernald & Long 11471 (holotype: GH). It is native to the south-central and eastern United States, found in all the coastal states from Texas to Long Island, and inland as far as Missouri. Missouri is at the northwestern edge of the plant's natural range, which extends throughout much of the Southeast. helianthus annuus classification, There are many species recognized in the genus: Helianthus agrestis Pollard – southeastern sunflower – Florida Georgia. Pl. Helianthus angustifolius L. – swamp sunflower Subordinate Taxa. 4.5 inch Pot / 20 fl.oz. & al. The distal parts of Helianthus angustifolius are identical in appearance to those of H. simulans; plants of the latter are taller ... cc-by-nc-sa-3.0 copyright Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA. It is a perennial herb sometimes as much as 150 cm (5 feet) tall. Illinois. Native. The plant is easily recognized by its habitat, sunflower heads, and very narrow leaves. Bracts in 2 or 3 subequal series, lanceolate to narrowly lanceolate, tapered to a sharply pointed, slender, loosely ascending to recurved tip, the margins and outer surface sparsely to moderately roughened with minute, ascending, pustular-based hairs and also with sessile, yellow glands. Helianthus angustifolius is often cultivated for its bright, showy yellow flowers. Common names are from state and federal lists. / 591 ml. (Helianthus angustifolius) Code: HEAN Category: Flower Seeds Tags: Birds, Honey Bee, Native Bees, Pollinator, U.S. Looking for a great fall display? Habit - Perennial forb with a short, clumped rootstock, with rhizomes absent or very short, not occurring as colonies of stems. Helianthus angustifolius This native perennial species occurs in swamps and moist places from New York to northern Florida and west to southern Missouri, … Helianthus angustifolius Linnaeus, H. argophyllus Torrey & A. swamp sunflower in English swamp sunflower in English Bibliographic References (1753). Heads - Radiate. Stem - Loosely ascending to erect, to 1.7 m, usually solitary, unbranched below the inflorescence, moderately pubescent with slender, mostly loosely ascending, minutely pustular-based hairs, these often sparser above the stem midpoint. Prune plants back in June to encourage branching. This plant has no children Legal Status. Habitat - Upland prairies, sand prairies, savannas, pastures, ditches, and roadsides. Species. Roskov Y. Manual of vascular plants of northeastern United States and adjacent Canada. Not counting hybrids, there are 16 species of Helianthus recorded for Missouri: Narrow-leaved (swamp) sunflower (H. angustifolius). Helianthus annuus ‘Lemon Queen’ bears masses of large, lemon-yellow flowers from July to September. Common Name. Swamp Sunflower Helianthus angustifolius L. Helianthus angustifolius plant David Smith. Petiolate basal leaves to 2 cm wide sometimes present. Temporarily Out of Stock" disabled="true">Temporarily Out of Stock. Species Plantarum. Helianthus angustifolius can still reach a good height, 2m + depending on conditions, and once the first flowers begin fade you can simply cut it back for a second flush. It’s ideal for growing at the back of a sunny border, and makes an excellent cut flower. Swamp sunflower is a native perennial member of the aster family and can be found from NY to FL to TX. Common names Swamp sunflower in language. 1 Reviews. On l'appelle que… Accepted by. 1: Capitula large, 10-30 cm in diam. For animals, taking, importation, transportation, or possession is prohibited, except under license or permit. narrow-leaved sunflower. Swamp Sunflower, also known as Narrow Leaf Sunflower, is native from New York south to Florida and westward to Missouri and eastern Texas. Email Me When Ready. Other info. 21: 144, 147, 164, 166 in eFloras.org, Missouri Botanical Garden. Class Dicotyledoneae (Dicots) Family Asteraceae (Aster Family) State Protection Threatened Listed as Threatened by New York State: likely to become Endangered in the foreseeable future. Helianthus angustifolius. Missouri. Click on a place name to get a complete protected plant list for that location. Helianthus annuus is native to dry plains, prairies, meadows and foothills in the western U.S., Canada and northern Mexico. Uncommon in the Bootheel’s lowlands; upland prairies, sand prairies, pastures, ditches, roadsides. aka Narrow-leaved Sunflower. PAPGI. Although it has fewer flowering heads than H. salicifolius, it is less aggressive in the garden due to its more poorly developed rhizomes. Helianthus angustifolius - 9-24-2020 Helianthus annuus - 12-11-2003 Helianthus divaricatus - 12-11-2005 Helianthus grosseserratus - (10-15-2006) 11-25-2020 Helianthus hirsutus - (11-16-2003) 10-1-2020 Helianthus maximiliani - (11-29-2003) 1-10-2020 Helianthus microcephalus - 1-19-2004 Helianthus mollis - (7-27-2003) 9-29-2020 Accessed February 2018. Distribution is greatest in the coastal plain and plants are most common in open or lightly shaded moist sites. This article is about the genus Helianthus. This species has been reported in the following counties by the herbaria listed. Common sunflower (H. annuus). English. API … Sectioned head showing achenes and chaffy bracts. Helianthus angustifolius is a species of sunflower known by the common name narrowleaf sunflower or swamp sunflower. Swamp Sunflower or Narrow Leafed Sunflower. the swamp sunflower in all its glory. - This attractive species is uncommon in Missouri, mostly restricted to the sand prairies of the Mississippi Lowlands region. bibliographic citation Flora of North America Vol. 1 "Helianthus angustifolius L. in Flora of North America @ efloras.org" eFlora. 2 "Gleason, Henry A. Helianthus angustifolius Spreng. 13 Search Results. The species is a somewhat weedy plant that is now commonly seen growing along roads, fences, fields and in waste areas west of the Mississippi River and is the state flower of Kansas. Relatively easy sunflower to identify due to the narrow leaves, which are no longer than normal for a sunflower, but much narrower. What the Swamp Sunflower Looks Like . Habitats include dry or mesic open woods, soggy creek margins, rocky slopes, thickets, sandy fields and shaded roadsides. In Stock: 0. & Cronquist, Arthur J. The leaves are not only narrower in H. angustifolius but also tend to be more strongly revolute (abaxial faces sometimes scarcely visible). + Expand All - Collapse Specimens and Distribution. Helianthus angustifolius is a perennial herbsometimes as much as 5 feet (1.5 m) tall. ; disk florets brown or purple. Retail; Nursery Name City State / Province ; Easyliving Wildflowers: Willow Springs : Missouri : Easyliving Wildflowers. planifolius Helianthus angustifolius Linnaeus, var. 1 H. annuus + Capitula small, 2-5 cm in diam. – Wisconsin Michigan Ohio New York State. The Swamp or Narrowleaf Sunflower produces masses of golden yellow, 2-3" wide, dark-eyed daisies over an extended period. Accessed: 07-Oct-06. 1947. [2][3] It is typically found in the coastal plain habitat (both the Atlantic and Gulf), particularly in wet areas. Disc florets perfect, the corollas 4.0-4.5 mm long, the lobes and tip of the tube reddish brown to dark purple above a sometimes yellowish basal portion. Photographs taken at Sand Prairie Conservation Area, Scott County, MO, 9-8-2019 (KBildner); also about 4.5 miles southeast of Benton, Scott County, MO, 10-5-2017, and at Sand Prairie Conservation Area, Scott County, MO, 9-7-2020 (SRTurner). It is native to the south-central and eastern United States, found in all the coastal states from Texas to Long Island, and inland as far as Missouri. Helianthus ambiguus Britt. Receptacle shallowly convex, the chaffy bracts 5.5-6.5 mm long, oblong-oblanceolate, tapered to a sharply pointed, purplish-tinged, glabrous tip, the outer surface minutely hairy. Lookalikes - H. salicifolius; broadly, other species of Helianthus and numerous other plants in the aster family. 1 - 13 of 13. Scientific Name: Helianthus L. (Asteraceae) angustifolius L. Related Plants 'Gold Lace' 'Matanzas Creek' 'Mellow Yellow' 'Short Stuff' Nursery Availability. (2018). Features 2" wide sunflowers with bright yellow rays and slightly darker yellow center disks atop rigid stems typically growing 2-6' tall. Werier, D. (2017). Pl. Florets - Ray florets 10-21, sterile, the corolla 1.2-3.0 cm long, yellow, minutely hairy and with sessile, yellow glands on the outer surface. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands. L. (1753) In: Sp. For the U.S. Navy patrol boat and U.S. Coast and Geodetic Survey launch, see USS Helianthus … These features are also present on the lookalike H. salicifolius, but that plant has glabrous and often glaucous stems, and is also more strongly colonial.This showy but unusual species grows well in cultivation and makes a fine garden subject. Leaves are long and narrow, up to 15 cm (6 inches) long. L'hélianthi ou hélianthe scrofuleux (Helianthus strumosus) ou encore héliantis, plante vivace de la familles des Asteraceae (Composées) et cultivée comme une plante potagère pour son rhizome tubéreux, proche du topinambour. 906 What is GBIF? Involucre 8-12 mm long, 12-20 mm in diameter, extending to about the tips of the disc corollas. HABITAT & HARDINESS: Helianthus microcephalus occurs in the eastern United States from Connecticut to Missouri and south from the Florida panhandle to Louisiana. Fruits - Achenes 2-3 mm long, more or less wedge-shaped, flattened but 4-angled in cross-section, the surface glabrous, finely mottled with dark brown to nearly black and lighter brown patches. The distal parts of Helianthus angustifolius are identical in appearance to those of H. simulans; plants of the latter are taller (200+ cm) and more robust. Catalog ID# 10419. Also cultivated. Leaves are long and narrow, up to 6 inches (15 cm) long. Helianthus divaricatus is a Missouri native plant that occurs in open rocky woodlands and thickets in eastern Missouri. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA., 2006. Helianthus angustifolius is a species of sunflower known by the common name narrowleaf sunflower or swamp sunflower. Quantity. Leaves - Mostly alternate, simple, sessile or nearly so, relatively numerous and well developed along the stem (usually more than 30 nodes). Helianthus angustifolius L. Details; Images (5) Synonyms (1) References (14) ... Helianthus angustifolius L. Details; Images (5) Synonyms (1) References (14) Subordinate Taxa; Specimens; Distributions (43) Chromosome Counts (2) Records 1 - 5 of 5 Page of 1 Family! Helianthus angustifolius in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. For … Helianthus angustifolius - Swamp Sunflower, Narrow-leaf Sunflower. Accessed: 07-Oct-06. Pappus of 2 scales 1.5-2.0 mm long, these lanceolate, tapered to a sharply pointed, minute, awnlike tip, occasionally with an additional pair of thin, irregular apical lobes. It is often cultivated for its bright, showy yellow flowers. Vernacular names [ … Elles sont originaires d'Amérique du nord ou tropicale, et certaines espèces sont naturalisées en France. Gray, H. atrorubens Linnaeus, H. decapetalus Linnaeus, H. ×laetiflorus Persoon, H. maximiliani Schrader, and H. mollis Lamarck are cultivated in China. Threatened. Español . The plant is easily recognized by its habitat, sunflower heads, and very narrow leaves. Asteraceae Price: $ 8.99. Species plants feature 3-6 wide sunflower… Blades of the stem leaves 3-20 cm long, 0.1-1.0 cm wide, linear or those of the lowermost leaves sometimes narrowly lanceolate (mostly 7-20 times as long as wide), not folded longitudinally, mostly short-tapered at the base, tapered to a sharply pointed tip, the margins entire, mostly curled under, the upper surface moderately roughened with stiff, pustular-based hairs (these often shed, leaving only the expanded base), the undersurface usually pale green, moderately to densely pubescent with somewhat tangled, soft, easily shed hairs, both surfaces often also with scattered, sessile, yellow glands, with 1 main vein. Français . 1991. Helianthus angustifolius (L.) Michx. lxxv + 910 pp." kekenylevelű napraforgó in Hungarian narrow-leaf sunflower in English sumpsolros in Swedish swamp sneezeweed in language. Helianthus angustifolius var. On distingue, au sein du disque floral, des fleurons ligulés (la corolle forme une langue, la ligule) en périphérie et des fleurons tubuleux au centre. One plant can produce 3 to 16 flower heads, each with 10 to 20 ray florets surrounding at least 75 disc florets. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. It is a coarse, hairy, leafy, fast-growing annual that typically grows 5-10 tall on stiff upright stalks. For best results, sow seed in individual 10cm pots of moist seed compost in April to May, cover with cling film and place on a sunny windowsill or greenhouse bench. The bloom of the swamp sunflower has dark purplish centers surrounded by bright happy yellow petals. HABITAT & HARDINESS: Helianthus angustifolius occurs in the eastern United States from New York to Florida and west to Missouri, Oklahoma and Texas. Helianthus angustifolius is a species of sunflower known by the common name narrowleaf sunflower or swamp sunflower. 2. [4], Biota of North America Program 2014 county distribution map, United States Department of Agriculture Plants Profile, Photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1993, https://en.wikipedia.org/w/index.php?title=Helianthus_angustifolius&oldid=971236982, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 August 2020, at 22:47. The stem of Helianthus angustifolius has coarse hairs, especially on the lower part of the plant. Helianthus Angustifolius. Inflorescences - Solitary terminal heads, or open, few-headed clusters of heads, the heads mostly long-stalked. It is typically found in the coastal plain habitat (both the Atlantic and Gulf), particularly in wet areas. Il est consommé comme légume ou cultivé comme plante ornementale pour ses jolies fleurs décoratives. One plant can produce 3-16 flower heads, each with 10-20 ray florets surrounding as least 75 disc florets. Helianthus angustifolius . Send by email Printer-friendly version. It is native to the south-central and eastern United States, found in all the coastal states from Texas to Long Island, and inland as far as Missouri. It is native to Missouri, primarily in the northern part of the State. Catalogue of the Vascular plants of New York state Memoirs of the Torrey Botanical Club 27: 1-542. Web. The perennial sunflower may not have as big a flower as its relatives, but it does have masses of them over along period in autumn, and it is a tough perennial at that. English. VPA. The petals are narrow and rough. (eds.) For the common domesticated sunflower, see Helianthus annuus. And the bloom measures 2 to 3 inches (5 to 8 cms) in diameter. 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