Dimorphorchis tenomensis (A.L.Lamb) P.J.Cribb 2008
Photos/TYPE Drawing by © A Lamb 1994
LATE 
Common Name The Tenom District Dimorphorchis [An Area of Sabah Borneo where the type was collected]
Flower Size 2" [5 cm]
Found in Sabah Borneo in wet hill forests and lower montane forests on sandstone ridges at elevations of 800 to 1000 meters as a medium sized, warm growing epiphyte with a stout, pendent to descending stem carrying arcuate, linear, obliquely and acutely bilobed apically, basally clasping leaves that blooms in the late spring on an axillary, 11.2 to 16" [28 to 40 cm] long, pendent, terete, dark purple, tomentose, laxly few flowered inflorescence with ovate, acuminate, basally pubescent floral bracts and carrying 2 different forms of showy flowers, the basal 2, fragrant, with bright yellow tepals lightly spotted with red purple all over, a whitish lip with a yellow center, purple flecked callus as well as the sides, the apical flowers are non fragrant and white, heavily spotted with red purple.
Synonyms *Dimorphorchis rossii var. tenomensis A.L.Lamb 1994
References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Borneo Vol 1 Vermuellen 1994 as Dimorphorchis rossii var. tenomensis drawing/photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994 as D rossii var tenomensis; Malesian Orchid J. 2: 90 Cribb 2008 photo/drawing fide
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