Platanthera yadonii (Rand.Morgan & Ackerman) R.M.Bateman 2003
Photo by © John Game and the Cal Photos Website
Drawing by © Rand.Morgan & Ackerman and Lindleyana 5: 209 Rand.Morgan & Ackerman 1990
LATE 
THROUGH MID 
Common Name Yadon's Platanthera - Yadon's Rein Orchid, The Monterey Piperia
Flower Size
Found in western California in the Monterrey area in pine forests, on road banks and on forest edges at elevations around 100 meters as a medium sized, cold growing terrestrial with a broadly to narrowly ovate tuber giving rise to an erect stem carrying 2 to less often 3, lanceolate to oblanceolate, often acute, dull to glossy green adaxially, glossy abaxially, withering during to before anthesis that blooms in the late spring through mid summer on an erect, provided with 7 to 20 bracts to 20" [50 cm] long overall, rachis 2 to 65" [5 to 15 cm] long, to 120 flowered inflorescence.
Synonyms Piperia yadonii Rand.Morgan & Ackerman 1990
References W3 Tropicos, Kew Monocot list , IPNI ;
Lindleyana 5: 209 Rand.Morgan & Ackerman 1990 as Piperia yadonii
Lindleyana 5: 206 Rand.Morgan & Ackerman 1990 as Piperia yadonii drawing fide
The Wild Orchids of North America North of Mexcio PM Brown 2003 as Piperia yadinii;
*Bot. J. Linn. Soc. 142: 21 R M Bateman 2003
AOS Bulletin Vol 86 #3 2017 photo fide;
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