Platanthera ephemerantha R.M.Bateman 2009
Photos by Jim Fowler and his P-Base Orchid North American Orchid Website
Photos by Jim Fowler and his P-Base Orchid North American Orchid Website
LATE
and 
Common Name or Meaning The White Platanthera - The Slender White Platanthera
Flower Size .15" [2.5 to 3 mm]
Found in British Columbia, Washington, Oregon and California in open rocky woodlands and grassy roadsides as a miniature to large sized, cold growing terrestrial with 2 to 4, weak and prostrate leaves often withered before blooming which is in the late spring and summer on a terminal, erect, slender, often secund, 4 to 24" [10 to 60 cm] long, 20 to 80 flowered inflorescence with faint honey scented flowers.
Plants in full sun have thick, dense inflorescence, plants in shade tend to be laxly flowered.
Synonyms Piperia candida Rand.Morgan & Ackerman 1990; Platanthera candida (Rand.Morgan & Ackerman) R.M.Bateman 2003
References W3 Tropicos, Kew Monocot list , IPNI ;
Lindleyana 5: 207 Rand. Morgan & Ackerman 1990 as Piperia candida
Lindleyana 5: 206 Rand. Morgan & Ackerman 1990 as Piperia candida Drawing fide;
Bot. J. Linn. Soc. 142: 21 R M Bateman 2003 as P candida nom. illeg.
Wild Orchids of the Pacific Northwest and Canadian Rockies P M Brown 2006 as Piperia candida;
AOS Bulletin Vol 86 # 3 2017 as P candida photo fide
*Ann. Bot. (Oxford) 104: 439 R M Bateman 2009
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