Peristylus affinis (D.Don) Seidenf. 1977
Plant and Flowers in situ Thailand
Photo by © Tripetch P. and the Thai Nature Website
Inflorescence Photos by © Manorot Tangsaveepha and hisButterfly and Orchids Website
Common Name The Similar Peristylus [refers to it's close association with Peristylus goodyeroides] - In China Xiao Hua Kuo Rui Lan
Flower Size .2" [5mm]
Found in the Western Himalayas, Assam, Nepal, Laos and Thailand in evergreen broadleaved forests, open scrub along valleys, roadsides and grassy slopes at elevations around 450 to 3000 meters as a small sized cool to cold growing terrestrial with ellipsoid to cylindric, pubescent tubers giving rise to an erect, basally sheathed stem carrying 3 to 4, clustered, ovate to ovate-elliptic, basally narrowing leaves that blooms in the spring through summer on a terminal, densely to subdensely many flowered, 5" [to 12.5 cm] long, glabrous inflorescence with lanceolate floral bracts
Differs from P goodyerioides in the large saccate lip base and the lateral stigmas.
Synonyms Gymnadenia affinis (D.Don) Rchb.f. 1878; *Habenaria affinis D.Don 1825; Habenaria sampsonii (Hance) Hance 1869; Peristylus goodyeroides var. affinis (D.Don) T.Cooke 1908; Peristylus sampsonii Hance 1868; Phyllomphax affinis (D.Don) Schltr. 1919
References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as Habenaria goodyerioides var affinis drawing ok; The Orchids of Bhutan Pearce & Cribb 2002; Orchids of India A Glimpse Misra 2007; Flora Malesiana: Orchids of New Guinea Vol 5 Schuiteman & D de Vogel 2008; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing ok; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos ok; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing fide; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing fide
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