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October Lady's Tresses

Spiranthes ovalis Lindl.

Description

provided by eFloras
Plants 5–40 cm. Roots few, slender, spreading to descending, mostly to 0.5 cm diam. Leaves persisting through anthesis, few–several, basal, usually on proximal 1/2 stem, recurved-spreading, oblanceolate, 3–15 × 0.5–1.5 cm. Spikes tightly spiraled, usually 3 flowers per cycle of spiral, rarely loosely spiraled in depauperate plants; rachis pubescent, some trichomes clavate to capitate, glands obviously stalked. Flowers pure white; sepals distinct to base, slightly spreading, 3.5–6.1 × 1–1.5 mm; petals lanceolate, 6 × 1 mm; lip ovate, 5 × 3 mm, apex with finely crisped margin; veins few, branches parallel; basal calli spreading, slender, mostly to 0.75 mm; ovary mostly 3–8 mm. Seeds monoembryonic.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 533, 538 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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Synonym

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Ibidium ovale (Lindley) House
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 533, 538 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Spiranthes ovalis

provided by wikipedia EN

Spiranthes ovalis, commonly called the October lady's tresses,[1] is a species of orchid that is native to eastern North America.

Its range is widely distributed, being found from Texas to Florida, north to the Great Lakes.[2] However, it is uncommon throughout most of its range,[3] which has resulted in a patchy known distribution. Its natural habitat is in wet to mesic forests and woodlands.[3][4]

It produces delicate white flowers in the fall.[5] It can be distinguished from other Spiranthes in eastern North America by its small, tightly spiraled flowers, and the presence of basal leaves at flowering time.[3][4]

Taxonomy

Two varieties of Spiranthes ovalis are recognized.[6] They are:

  • S. ovalis var. erostellata - Flowers closed, self-pollinating; widespread across the eastern North America
  • S. ovalis var. ovalis - Flowers open, cross-pollinating; restricted to the Southeastern Coastal Plain

References

  1. ^ USDA, NRCS (n.d.). "Spiranthes ovalis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 December 2017.
  2. ^ "Spiranthes ovalis". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 18 December 2017.
  3. ^ a b c Spiranthes ovalis North American Orchid Conservation Center
  4. ^ a b Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
  5. ^ MissouriPlants
  6. ^ Flora of North America, Spiranthes ovalis

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Spiranthes ovalis: Brief Summary

provided by wikipedia EN

Spiranthes ovalis, commonly called the October lady's tresses, is a species of orchid that is native to eastern North America.

Its range is widely distributed, being found from Texas to Florida, north to the Great Lakes. However, it is uncommon throughout most of its range, which has resulted in a patchy known distribution. Its natural habitat is in wet to mesic forests and woodlands.

It produces delicate white flowers in the fall. It can be distinguished from other Spiranthes in eastern North America by its small, tightly spiraled flowers, and the presence of basal leaves at flowering time.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN