Bulbophyllum korthalsii Schltr.1907 SECTION Stachysanthes (Bl.) J.J. Verm. & P. O’Byrne 2008

Flower Lip detail

Plant and flowers in situ Malaysia Photos by © Peter O'Byrne and The Swiss Orchid Foundationand the Jany Renz Herbaria

Full shade Hot Summer

Common Name Korthals' Bulbophyllum [Dutch Botanist Late 1800's]

Flower Size .4" [1 cm] wide

Found in Sumatra, Sabah And Sarawak Borneo at elevations around 200 to 950 [2100] meters as a small sized, hot [cold] growing epiphyte with close set, very small, cylindrical pseudobulbs enveloped by sheaths and carrying a single, apical, erect, coriaceous, lanceoalte-ligulate, acute, gradually narrowing below into the petiolate base leaf that blooms in the summer on an erect to arching, 6.4" [16 cm] long, 10 to 20 flowered inflorescence with lanceolate, acuminate, shorter than the flowers floral bracts and has non-resupinate flowers.

CAUTION B arachnites is often cited a synomonous with this species but it has a flat or slightly concave apical part of the lip and is more distinctly constricted approximatley half way along its length.

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992 drawing fide; Orchids of Sumatra Comber 2001 drawing fide; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo fide; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo good; Malesian rchid Journal Vol 13 O'Byrne & Ong 2014 photos fide; Bulbophyllum of Borneo J J Verm, P O'Byrne and Lamb 2015 photos/drawing fide;

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