Platanthera unalascensis (Spreng.) Kurtz 1894 Photo courtesy of Patricia Harding

toLATEand EARLY

Common Name The Unalaska Platanthera [An island in the Aleutians]

Flower Size

Found in the western US and Canada as a cold growing terrestrial of forests, open meadowlands, rocky hillsides and tundra with 2 basal leaves that wither by blooming in the late spring and early summer on an erect, racemose inflorescence with distantly spaced, yellow flowers that open in succession.

Synonyms Habenaria foetida (Geyer ex Hook.) S.Watson 1871; Habenaria schischmareffiana Cham. 1828; Habenaria unalascensis (Spreng.) S. Watson 1877; Habenaria unalaschensis (Spreng.) S.Watson 1877; Herminium unalascense [Spreng.]Rchb. f. 1851; Monorchis unalaschcensis (Spreng.) O.Schwarz 1949; Piperia unalascensis (Spreng.) Rydb. 1901; Platanthera foetida Geyer ex Hook. 1855; Platanthera schischmareffiana (Cham.) Lindl. 1835; *Spiranthes unalascensis Spreng. 1826;

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 29 No 5 1960 drawing; AOS Bulletin Vol 74 No 4 2005 photo as Piperia unaleascensis; AOS Bulletin Vol 76 No 9 2007 photo

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