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Great Plains Ladies' Tresses

Spiranthes magnicamporum


Spiranthes magnicamporum, also called Great Plains Ladies' Tresses, is widely distributed in central Canada and the United States from Ontario to Mexico, with populations in a few East Coast states. It produces 2-3 basal leaves which usually wither by the time of flowering in the late summer or fall. It bears an inflorescence of up to 40 white, cream-colored, or yellowish flowers which are arranged in a tight spiral. The inflorescence is covered in small hairs, and the labellum curves sharply downwards. The center of the labellum is often colored yellow. Withered leaves at the time of flowering and strongly scented flowers distinguish this orchid from Spiranthes cernua. It can be found on moist to dry meadows, prairies, fields, and fens.

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Spotted by

Wisconsin, USA

Spotted on Sep 4, 2015
Submitted on Oct 17, 2016

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