Bulbophyllum dayanum Rchb. f. 1865

SECTION Acrochaene ( Lindl. ) J.J.Verm. , Schuit. & de Vogel 2014

Photo by Lourens Grobler

Plant and Flowers

Photo by Bill Bergstrom and Berstrom Orchids

Flower Closeup

Photo by David Morris and Clackamas Orchids Home Page

FragranceFull shadeWarmCoolSpring and Summer

Common Name Day's Bulbophyllum [English Orchid Enthusiast 1800's]

Flower Size 1 1/2" [2 to 3 cm]

Found in India, Myanmar, Cambodia, Vietnam and Thailand in semi-deciduous and deciduous dry lowland forests and savana-like woodlands at elevations of sealevel to 700 to 1300 meters as a miniature sized, warm to cool growing, unifoliate epihyte of wet, shadier, cooler areas with a creeping rhizome, globose to ovoid, channeled pseudobulbs carrying a single, apical, oblong, coriaceous leaf that is deep green above and purple below that blooms in the spring and summer on a basal, very short, 2 to 5 flowered inflorescence with semi-nodding, foul smelling flowers held below the leaves next to the rhizome. This plant needs water lots of it as well as deep shade, in a wood basket with bark and covered with sphagnum moss.

Synonyms Bulbophyllum dyphoniae Tixier 1968; Bulbophyllum hispidum Ridl. 1897 ; Phyllorchis dayana (Rchb. f.) Kuntze 1891

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae vol 2 Rchb.f 1867 as Bolbophyllum dayanum drawing fide; Refugium Botanicum Reichenbach 1872 drawing fide; The Orchids of Burma Grant 1895/95; Die Orchideen Schlechter 1915; The Orchids of Thailand Seidenfaden & Smitinand 1961 drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 37 # 6 1968; Dansk Botanisk Arkiv Bind 33 #3 Orchid Genera in Thailand VIII Bulbophyllum Thou Seidenfaden 1979 drawing fide; Orchids of Penninsular Malaysia and Singapore Seidenfadden and Wood 1992 drawing/photo fide; Manual of Cultivated Orchids Bechtel, Cribb & Laurent 1992; Manual of Orchids Stewart 1995; Miniature Orchids McQueen 1992; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Bulbophyllums and Their Allies Seigerist 2001 photo fide; Botanica's Orchids Laurel Glen 2001; A Field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; Slipper Orchids of Vietnam Averyanov, Cribb, Loc & Hiep 2003; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; Wild Orchids of Myanmar Nyan Tun Taunggyi 2014 photo fide; Genera Orchidacearum Vol 6 Epidendroideae Pt 3 Pridgeon, Cribb Chase & Ramussen 2014 photo fide; Wulfenia 22 [2015]: 137 - 188 New Orchids in the Flora of Vietnam Averyanov, Nguyen, Tich, Nguyen, Nong, Nguyen and Xuan photo fide; Atlas of Native Orchids of China Vol 2 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide;