Comments
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Spiranthes brevilabris and S. floridana are often and easily confused, although the degree of pubescence is an excellent diagnostic tool in the field.
This species has dramatically declined, with only a single extant population known in 1998–2000.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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англиски
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Plants 7–40 cm. Roots few, spreading to descending, mostly to 0.5 cm diam., slender. Leaves usually persisting through anthesis, 3–5, basal, spreading, oval-oblanceolate, 2–6 × 1–2 cm. Inflorescences: spikes secund to loosely spiraled, 8–10 flowers per cycle of spiral; rachis densely pubescent, some trichomes capitate to clavate, glands obviously stalked. Flowers cream to pale yellow; sepals distinct to base, 5 × 1 mm; lateral sepals appressed; petals linear to lance-oblong, 5 × 1 mm, apex acute to obtuse; lip yellow centrally, ovate to oblong, 5 × 2.5 mm, apex dilated, yellow, pubescent, apical margin crisped, finely lacerate; veins several, branches very short; basal calli long-pointed, mostly to 1 mm; viscidium linear-lanceolate; ovary mostly 3 mm. Seeds monoembryonic.
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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
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англиски
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Ala., Fla., Ga., La., Miss., Tex.
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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
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Dry to moist roadsides and fields; 0--100m.
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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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англиски
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добавил eFloras
Spiranthes gracilis (Bigelow) Beck var. brevilabris (Lindley) Correll
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- cc-by-nc-sa-3.0
- авторски права
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA