Listera caurina Piper 1898 Photo courtesy of Patricia Harding

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Common Name Northwestern Twayblade

Flower Size 1/2" [1.25 cm]

Found in the western US and Canada as a miniature sized, cold to cool growing terrestrial with 2 opposite leaves in shady coniferous forests that blooms on an erect, racemose inflorescence that occurs in the late spring till autumn.

Synonyms Neottia banksiana (Lindl.) Rchb.f. 1852; Neottia caurina (Piper) Szlach. 1995; Ophrys caurina (Piper) Rydb. 1905

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 29 No 5 1960;

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