Difference between revisions of "Spiranthes lacera"
Herb. Raf., 44. 1833.
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|name=Neottia lacera | |name=Neottia lacera | ||
|authority=Rafinesque | |authority=Rafinesque | ||
| + | |rank=species | ||
|publication_title=Amer. Monthly Mag. & Crit. Rev. | |publication_title=Amer. Monthly Mag. & Crit. Rev. | ||
|publication_place=2: 206. 1818 | |publication_place=2: 206. 1818 | ||
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name=Spiranthes lacera | name=Spiranthes lacera | ||
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|authority=(Rafinesque) Rafinesque | |authority=(Rafinesque) Rafinesque | ||
|rank=species | |rank=species | ||
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|publication year=1833 | |publication year=1833 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_1088.xml |
|subfamily=Orchidaceae subfam. Orchidoideae | |subfamily=Orchidaceae subfam. Orchidoideae | ||
|tribe=Orchidaceae tribe Cranichideae | |tribe=Orchidaceae tribe Cranichideae | ||
Revision as of 20:44, 16 December 2019
Plants 15–65 cm. Roots few–several, spreading to descending, mostly to 0.75 cm diam., slender to stout. Leaves, basal, spreading, obovate, 2–5 × 1–2 cm. Spikes secund to tightly spiraled, 8–10 flowers per cycle of spiral; rachis glabrous to sparsely pubescent, trichomes capitate to clavate, glands obviously stalked. 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. Seeds monoembryonic.
Distribution
e North America.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Flowers laxly arranged on spike (ratio of spike length/flower number equal to or greater than 2.3); inflorescence capitate-pubescent; leaves usually persisting through anthesis. | Spiranthes lacera var. lacera |
| 1 | Flowers densely arranged on spike (ratio of spike length/flower number less than 2.3); entire plant essentially glabrous; leaves usually absent at anthesis. | Spiranthes lacera var. gracilis |