Bulbophyllum hahlianum Schltr. 1905 SECTION Sestochilos [Breda] Benth & Hook.f. 1883

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Photo by P Jongejan courtesy of Wolfgang H. Bandisch. Copyright 1998, 1999 All rights reserved. And his Papua & New Guinea Orchid Species site

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Flower Size 1 1/4" [3 cm]

Found in Papua and New Guinea, the Mouluccas and Sulawesi in beach swamps, as a hot growing epiphyte on tree trunks in areas of high rainfall and always near the coast at elevations around 60 meters with a thick, branching, brown and brittle rhizome with forward facing bristles with 3 1/8" to 4" [8 to 10 cm] spaced, apressed to the rhizome, erect to suberect, ovoid to oblong pseudobulbs ringed basally by stiff bristles and carrying a single, apical, erect to suberect, petiolate, leathery and stiff, oblong leaf that blooms from late summer to early spring on a basal, often two per pseudobulb, to 2 3/4" [to 7 cm] long, single flowered inflorescence that holds the glossy, non-resupinate, thick and fleshy, strongly fragrant flowers below the leaves. This is a hot growing species that needs ample water, shade and large slabs for the plant to roam.

Bulbophyllum thecanthum shares the connate lateral sepals with B. hahlianum Schltr., but differs in the porrect (not spreading) petals, the more conspicuously drawn-out lip, and the absence of a small gibbosity on the column-foot, below the stigma.

Synonyms Bulbophyllum macranthum var albescens J.J.Sm. 1905

References W3 Tropicos, Kew Monocot list , IPNI ; Orchidaceae of German New Guinea Schlechter 1914/1985 drawing close; The Orchids of Papua New Guinea An Introduction Millar 1978; The Orchids of the Solomon Islands and Bougainville Lewis & Cribb 1991; Lowland Orchids of Papua New Guinea O'Byrne 1991 drawing fide/photo ok; Bulbophyllums and Their Allies Seigerist 2001 photo fide; Lindleyana Vol 17 No 1 2002; Australian Orchid Review Vol 67 No 2 2002 photo; New species of Bulbophyllum from eastern Malesia (Orchidaceae) Nordic Journal of Botany 26: 129195, 2008 Vermuellen

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