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nounlarge cosmopolitan genus of white-flowered terrestrial orchids
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type of:
Definition that contains spiranthes
- screw augur 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
- spiranthes cernua 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
- ladies' tresses an orchid of the genus Spiranthes having slender often twisted spikes of white flowers
- spiranthes porrifolia similar to Spiranthes romanzoffiana; western United States
- lady's tresses an orchid of the genus Spiranthes having slender often twisted spikes of white flowers
- western ladies' tresses similar to Spiranthes romanzoffiana; western United States