Dendrobium sinsuronense J.J.Wood 2011 SECTION Formosae

Photo by S Chew

Flowers

Photo courtesy of Andy's Orchids, Copyright © 2002 All rights reserved

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Common Name The Sinsuron Dendrobium [A road that runs through Sabah Borneo from near Kota Kinabalu to Sinsuron]

Flower Size 1.2 to 1.8" [3 to 4.5 cm]

Found in Sabah Borneo in hill and lower montane forests at elevations of 900 to 1500 meters as a small to medium sized, warm to cool growing epiphyte with clustered, erect, simple, fractiflex, slightly constricted at the nodes, leafy carrying distichous, spreading, coriaceous, black hairy on both surfaces, glabrous in maturity, slightly twisted in the middle, sessile, oblong to oblong-elliptic, obtusely unequally bilobed leaves that blooms on several, abbreviated, arising opposite the leaves from the upper nodes of both leafy and leafless canes, .8 to 1.2" [1 to 3 cm] long, glabrous, 1 to 10[18] flowered inflorescence with linear-lanceolate, acuminate, glabrous above, minutely black hairy beneath floral bracts and carrying waxy, unscented, wide opening flowers.

Dendrobium sinsuronense is a higher elevation plant occuring at elevations over 900 meters with flowers with three, less raised longitudinal calli in the center of the lip and whiter flowers. Dendrobium singkawangense has yellowish flowers with 3 prominently raised longitudinal calli and occurs at elevations around 300 to 400 meters.

Synonyms

References W3 Tropicos, Kew Monocot list , IPNI ; The Plants of Mount Kinabalu Vol 2 Orchids Wood Beaman & Beaman 1993 as D singkawangense; A Checklist of the Orchids of Borneo Wood & Cribb 1994 as D singkawangense; Orchids of Borneo Vol 1 Chan, Lamb, Shim & Wood 1994 as D singkawangense drawing/photo fide; The Dendrobiums H. P. Wood 2006; *The Orchids of Mount Kinabalu Chan, Lamb, Beamans & Wood 2011 drawing/photo fide; Dendrobium of Borneo Wood 2014 photo/drawing fide

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