Pelatantheria rivesii (Guillaumin) Tang & F.T.Wang 1951

Side View of Flower

Photos by Peter O'Byrne and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Part sun Warm Cool Fall

Common Name Rives' Pelatantheria - In China Zuan Zhu Lan

Flower Size 1/4" [8mm]

Found in western Guangxi, southern to western Yunnan provinces of China, Laos and Vietnam on tree trunks or rocks in broad-leaved evergreen forests at elevations of 700 to 1100 meters as a large to giant sized, warm to cool growing epiphyte with an elongate, branched stem carrying many, ligulate, coriaceous, bilobed apically, basally clasping leaves that blooms in the fall on a lateral, short, 2 to 7 flowered inflorescence

Separated from the very similar P insectifera as P rivesii differs in having a toothed and hairy column while P insectifera does not.

Synonyms Cleisostoma thomatoglossum Guillaumin 1961; *Sarcanthus rivesii Guillaumin1930; Sarcanthus tonkinensis Guillaumin 1930;

References W3 Tropicos, Kew Monocot list , IPNI ; Rudolf Schlechter Die Orchideen Band 1B lieferung 21 1165 - 1328 Brieger 1988; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide; 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 fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; Genera Orchdiacearum Vol 6 Epidendrodeae Pt 3 Prdgeon, Chase, Cribb & Rasmusen 2014 drawing fide; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;