Peristylus affinis (D.Don) Seidenf. 1977

Plant and Flowers in situ Thailand

Photos by Tripetch P.

Another Flower

Inflorescence

Photos by Manorot Tangsaveepha

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; Orchideologiae Sino-Japonicae Prodomus Schlecheter 1919 as Habenaria cavaleriei; *Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing fide; 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; LANKESTERIANA 15(1): 750. Jeewan Singh Jalal & J. Jayanthi 2015; Lankesteriana Vol 18 [1]: 2362 Jalal & Jayanth 2018; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;

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