Spiranthes lucida

(H. H. Eaton) Ames

Orchidaceae 2: 258. 1908.

IllustratedEndemic
Basionym: Neottia lucida H. H. Eaton Transylvania J. Med. Assoc. Sci. 5: 107. 1832
Synonyms: Ibidium plantagineum (Rafinesque) House Spiranthes plantaginea Rafinesque
Treatment appears in FNA Volume 26. Treatment on page 542. Mentioned on page 531, 539.

Plants 4–37 cm. Roots spreading to descending, slender, mostly to 0.6 cm diam. Leaves persisting through and long after anthesis, 3–4, basal, ascending-spreading, elliptic-lanceolate, 3–12 × 0.5–1.5 cm. Spikes rather openly spiraled, 3–4 flowers per cycle of spiral; rachis sparsely to moderately pubescent, some trichomes capitate, glands obviously stalked. Flowers nearly horizontal to abruptly nodding from base, white, tubular; sepals linear-oblong; dorsal sepal connate at base, 4.5–5.5 mm; lateral sepals appressed to petals and lip, straight, 5–6 mm × 1–2 mm; petals linear-oblong, 5–6 × 2–4 mm, apex obtuse; lip brilliant yellow or yellow-orange, centrally greenish yellow, oblong, 5–6 × 2–4 mm, margins crenulate, veins several, greenish, branches few, very short, mostly widely diverging, sometimes forming reticulum with primary veins; basal calli spreading, 1 mm; viscidium oval; ovary 3–8 mm. Seeds monoembryonic. 2n = 44.


Phenology: Flowering May–Aug.
Habitat: Rocky and sandy riverbanks, calcareous seeps, fens, 0–900 m

Distribution

V26 1106-distribution-map.jpg

N.B., N.S., Ont., Que., Conn., Del., Ill., Ind., Kans., Ky., Maine, Mass., Mich., Mo., Nebr., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Spiranthes lucida"
Charles J. Sheviak +  and Paul Martin Brown +
(H. H. Eaton) Ames +
Neottia lucida +
N.B. +, N.S. +, Ont. +, Que. +, Conn. +, Del. +, Ill. +, Ind. +, Kans. +, Ky. +, Maine +, Mass. +, Mich. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +, W.Va. +  and Wis. +
Rocky and sandy riverbanks, calcareous seeps, fens, 0–900 m +
Flowering May–Aug. +
Orchidaceae +
Illustrated +  and Endemic +
Ibidium plantagineum +  and Spiranthes plantaginea +
Spiranthes lucida +
Spiranthes +
species +