Comments
(
anglais
)
fourni par eFloras
Ranunculus fascicularis is very similar to R . hispidus var. hispidus , and herbarium specimens without underground parts may be difficult to identify. Ranunculus fascicularis grows in drier habitats; segments of its leaves are commonly oblanceolate and blunt, with few or no marginal teeth; and its petals are widest at or below the middle. Ranunculus hispidus var. hispidus is usually larger in all its parts (leaves, flowers, heads of achenes); leaf segments are variable in shape but their apices are normally sharper and their marginal teeth more numerous, and petals are widest above the middle.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
anglais
)
fourni par eFloras
Stems erect or ascending, never rooting nodally, strigose or spreading-strigose, base not bulbous. Roots always both filiform and tuberous on same stem. Basal leaf blades ovate to broadly ovate in outline, 3-5-foliolate, 2.1-4.7 × 1.9-4.5 cm, leaflets undivided or 1×-lobed or -parted, ultimate segments oblanceolate or obovate, margins entire or with few teeth, apex rounded-acute to rounded-obtuse. Flowers: receptacle hispid or glabrous; sepals spreading or sometimes reflexed from base, 5-7 × 2-3 mm, hispid or glabrous; petals 5(-7), yellow, 8-14 × 3-6 mm. Heads of achenes globose or ovoid, 5-9 × 5-8 mm; achenes 2-2.8 × 1.8-2.2 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, filiform, straight, 1.2-2.8 mm. 2 n = 32.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
anglais
)
fourni par eFloras
Man., Ont; Ala., Ark., Conn., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., Wis.
- licence
- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
(
anglais
)
fourni par eFloras
Flowering winter-spring (Jan-Jun).
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
anglais
)
fourni par eFloras
Grassland or deciduous forest; 0-300m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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anglais
)
fourni par eFloras
Ranunculus fascicularis var. apricus (Greene) Fernald
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Ranunculus fascicularis
(
anglais
)
fourni par wikipedia EN
Ranunculus fascicularis, commonly called early buttercup,[1] is a species of flowering plant in the buttercup family (Ranunculaceae). It is native to the eastern North America, where it is found in Canada and the United States.[2] It is generally widespread in eastern North America, although its populations become sporadic in areas east of the Appalachian Mountains and south of New England.[3] Its natural habitat is in dry areas with sparse vegetation, such as rocky or sandy bluffs, prairies, and savannas.[4]
Ranunculus fascicularis is a perennial. It produces yellow flowers in early spring. It can be difficult to distinguish from the similar looking Ranunculus hispidus, which occupies much of the same range. In general, Ranunculus fascicularis has an earlier bloom time than Ranunculus hispidus, and is more typically found in drier habitats.[5] Ranunculus fascicularis can be distinguished morphologically by its pinnately dissected leaves that are longer than wide in outline (as opposed to palmately dissected leaves that are roughly as wide as long), and by the presence of tuberous roots.[3]
References
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- cc-by-sa-3.0
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- Wikipedia authors and editors
Ranunculus fascicularis: Brief Summary
(
anglais
)
fourni par wikipedia EN
Ranunculus fascicularis, commonly called early buttercup, is a species of flowering plant in the buttercup family (Ranunculaceae). It is native to the eastern North America, where it is found in Canada and the United States. It is generally widespread in eastern North America, although its populations become sporadic in areas east of the Appalachian Mountains and south of New England. Its natural habitat is in dry areas with sparse vegetation, such as rocky or sandy bluffs, prairies, and savannas.
Ranunculus fascicularis is a perennial. It produces yellow flowers in early spring. It can be difficult to distinguish from the similar looking Ranunculus hispidus, which occupies much of the same range. In general, Ranunculus fascicularis has an earlier bloom time than Ranunculus hispidus, and is more typically found in drier habitats. Ranunculus fascicularis can be distinguished morphologically by its pinnately dissected leaves that are longer than wide in outline (as opposed to palmately dissected leaves that are roughly as wide as long), and by the presence of tuberous roots.
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- cc-by-sa-3.0
- droit d’auteur
- Wikipedia authors and editors
