Dendrobium trigonopus Rchb. f. 1887 SECTION Formosae

Photos by © Eric Hunt

To LATE To EARLY

Common Name Triangular Column Foot Dendrobium - in Thailand - Kam Pak Gai - Ueang kham liam - Golden Chicken's Beak Orchid - In China Chi Geng Shi Hu

Flower Size to 2" [4 to 5 cm]

Found in Myanmar, Thailand, southwestern China, Laos and Vietnam in forests on tree trunks at elevations of 300 to 1500 meters as a small sized, hot to cool growing epiphyte with tufted, fusiform, sulcate, shiny purplish brown, stems carrying 1 to 4, subterminal, ligulate or oblong, thick, papery, dull green, acute leaves that blooms in the late winter and early spring on a very short, 1 to 4 flowered raceme with minute bracts and carrying waxy, long lasting, fragrant flowers that arises from the nodes near the apex of both leafy and leafless canes.

A lessening of water and fertilizer should occur at the beginning of the winter but towards the end all water and fertilizer should be with held until new growths arise in the spring.

Synonyms Callista trigonopus (Rchb. f.) Kuntze 1891; Dendrobium velutinum Rolfe 1895

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Burma Grant 1895/1995; Orchidaceae Monandre-Dendrobiinae Fr. Kraenzlin 1910; Die Orchideen Schlechter 1915; Die Orchideen 2 Auflage Schlechter 1927; The Orchids of Thailand Seidenfaden & Smitinand 1960; AOS Bulletin Vol 33 #10 1964 PHOTO FIDE; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 39 No 5 1970 photo fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Opera Botanica #83 Orchid Genera in Thailand XII Dendrobium Sw. Seidenfaden 1985 drawing/photo fide; A Guide to Orchids of the World Hodgson, Paine & Anderson 1991 Photo fide; Thai Orchid Species Rakpaibulsombay 1992 photo fide; Miniature Orchids McQueens 1992 photo fide; The Illustrated Encyclopedia of Orchids Pridgeon 1992 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Laurent 1992 photo fide; Manual of Orchids Stewart 1995; Orchid Species Culture; Dendrobium Bakers 1996; Wild Orchids of China Tsi, Chen Mori 1997 photo fide; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; Dendrobium and its Relatives Lavarack, Harris and Stocker 2000 photo fide; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; The Dendrobiums H. P. Wood 2006 photo fide; Wild Orchids in Myanmar Vol 3 Tanaka 2007 photo fide; Mille Et Une miniOrchidees Roguenant 2009 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; Orchid Digest Vol 74 #4 2010 photo fide;Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; Wild Orchids of Myanmar Hyan Tun [Mr Myanmar] 2014 Photo fide; Turczaninowia 19 (3): 5–58 L. V. Averyanov, Khang Sinh Nguyen etal 2016 ; AOS Bulletin Vol 86 #3 2017 photo fide; Orchid Digest Vol 82 #2 2018 Photo fide; Orchid Digest Vol 83 #1 2019 photo fide; AOS Bulletin Vol 88 #9 2019 photo fide; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;

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