Peristylus affinis (D.Don) Seidenf. 1977

Plant and Flowers in situ Thailand

Photo by Tripetch P. and the Thai Nature Website

Another Flower

Inflorescence Photos by Manorot Tangsaveepha and hisButterfly and Orchids Website

Part shadeWarmColdSpringSummer

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 warm 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 cavaleriei Schltr. 1919; 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; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; The Orchids of Bhutan Pearce & Cribb 2002; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; 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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