Dendrobium delacourii Guillaumin 1924 SECTION Stachyobium Photo by © Pieter C. Brouwer and his Nature Photo Website

Another Flower more fimbriate Photo courtesy of Jay Pfahl

Flower Closeup Photo courtesy of Dale and Deni Borders

Another Flower Form Photo courtesy of David Morris

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Common Name Delacour's Dendrobium [French Orchid Botanist 1900's]

Flower Size 1/2" [1.5 to 2 cm]

A miniature epiphyte from Burma, Thailand, Laos and Vietnam that grows in deciduous forests often in full sun, at elevations of 800-1300 meters so they like hot to warm conditions and have clustered, spindle-shaped, 5 to 6 noded, yellowish stems that are leafy the entire length carrying stout, papery, narrowly oblong, acute or unequally bilobed apically, pale green leaves and bloom from summer till fall on an erect raceme with up to 10 flowers arising from the apex of newly developing psudobulbs and can carry up to 5 not pleasingly fragrant flowers on the same growth. They need less water and fertilizer in the early winter, with a gradual tapering off even further for the last month, allowing the roots to dry completly.

This species and D venustum are very similar, but separated mostly on the length of the stem. If the stem is greater than 4" [10 cm] then it is D venustum, if less than 4" [10 cm] then it is D delacourii. D venustum is said to have longer cilia on the lip than D delacourii, I find that is not nessesarily so. I find the major differnece to be the midlobe of D delacourii is not inrolled and in D venustum it is and encompasses the column more.

Synonyms Dendrobium rupicola var breve [Rchb.f] Atwood

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Thailand Seidenfaden & Smitinand 1959 drawing fide; AOS Bulletin Vol 39 No 5 1970 photo; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; Orchid Species Culture; Dendrobium Bakers 1996; Australian Orchid Review Vol 66 No 4 2001; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001; The Dendrobiums H. P. Wood 2006; Wild Orchids in Myanamar Vol 3 Tanaka 2007; Orchids of India A Glimpse Misra 2007; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide;

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