Spiranthes magnicamporum Sheviak
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Orchidaceae
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Scientific Name
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Description
Species Description - Much like no. 4 [Spiranthes cernua (L.) Rich.]; plants with a strong almond-odor; lvs withering before anthesis; cauline sheaths 4–8, with erect, sheathing, often overlapping blades; lateral sep more spreading, often over the top of the fl; lip more yellowish, its basal callosities short and conical, usually less than 1 mm, as wide as high; 2n=30, but sometimes asexual. Open, calcareous prairies; Great Plains from N.D. to Tex., e. to nw. Ind. and irregularly to Ky., Mich., sw. Ont., and Pa. Sept., Oct.
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Common Names
Great Plains ladies'-tresses