Difference between revisions of "Spiranthes ovalis"
Gen. Sp. Orchid. Pl., 466. 1840.
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|publication year=1840 | |publication year=1840 | ||
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| − | |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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V26/V26_1094.xml |
|subfamily=Orchidaceae subfam. Orchidoideae | |subfamily=Orchidaceae subfam. Orchidoideae | ||
|tribe=Orchidaceae tribe Cranichideae | |tribe=Orchidaceae tribe Cranichideae | ||
Revision as of 16:40, 18 September 2019
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.
Distribution
e North America.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Rostellum and viscidium present. | Spiranthes ovalis var. ovalis |
| 1 | Rostellum and viscidium absent. | Spiranthes ovalis var. erostellata |