(n) orchid having dense clusters of gently spiraling creamy white flowers with 2 upper petals forming a hood; western North America, Syn. Spiranthes romanzoffiana
(n) an orchid of the genus Spiranthes having tall erect densely flowered spiraling clusters of creamy white vanilla-scented flowers; widely distributed especially in low damp places of eastern and central North America, Syn. Spiranthes cernua