Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Great Plains Ladies'-tresses
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Richard and Teresa Ware rtw_s_magnicamporum_3_2
Lip oval, without the dilation seen in S. cernua, its center pale yellow, per Native Orchids of the Southern Appalachian Mountains.
Richard and Teresa Ware rtw_s_magnicamporum2
Lateral sepals usually separate from other flower parts, curving in and up, per Native Orchids of the Southern Appalachian Mountains.