Difference between revisions of "Spiranthes lacera"
Herb. Raf., 44. 1833.
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| + | |code=W1 | ||
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| + | |code=E | ||
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|publication title=Herb. Raf., | |publication title=Herb. Raf., | ||
|publication year=1833 | |publication year=1833 | ||
| − | |special status= | + | |special status=W1;Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_1088.xml |
|subfamily=Orchidaceae subfam. Orchidoideae | |subfamily=Orchidaceae subfam. Orchidoideae | ||
|tribe=Orchidaceae tribe Cranichideae | |tribe=Orchidaceae tribe Cranichideae | ||
Latest revision as of 21:11, 5 November 2020
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 |