Spiranthes lacera |
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northern slender ladies' tresses, northern slender lady's tresses, slender ladies'-tresses |
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Habit | Plants 15–65 cm. | ||||
Roots | few–several, spreading to descending, mostly to 0.75 cm diam., slender to stout. |
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Leaves | , basal, spreading, obovate, 2–5 × 1–2 cm. |
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Spikes | secund to tightly spiraled, 8–10 flowers per cycle of spiral; rachis glabrous to sparsely pubescent, trichomes capitate to clavate, glands obviously stalked. |
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Flowers | white; sepals somewhat spreading, distinct to base, elliptic, 5 × 1 mm; lateral sepals white throughout, apex acuminate; petals lanceolate, slightly oblique, 5 × 1 mm; lip white with green or yellowish green center, ovate to oblong, 5 × 2.5 mm, apex dilated, its margin crisped-crenate, pubescent; veins obscure; basal calli erect, short-pointed, mostly to 1 mm; viscidium linear-lanceolate; ovary mostly 3 mm. |
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Seeds | monoembryonic. |
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Spiranthes lacera |
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Distribution |
e North America
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 26, p. 536. | ||||
Parent taxa | Orchidaceae > subfam. Orchidoideae > tribe Cranichideae > subtribe Spiranthinae > Spiranthes | ||||
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Subordinate taxa | |||||
Synonyms | Neottia lacera | ||||
Name authority | (Rafinesque) Rafinesque: Herb. Raf., 44. (1833) | ||||
Web links |