Epiphytic shrub. Branchlets longish and coarsely setose in the older, very densely lanate-setose in the younger parts, the bristles rufous, ± crisped and +-patent. Leaves ovate to elliptic-ovate, apex mostly shortly abrupt-acuminate, the terminal gland distinct, base ± rounded, subcoriaceous, firm, entire, juvenile ones densely rusty lanate-setose on both faces, mature ones glabrescent above except the midrib, but rather densely persistently and coarsely setose underneath, the bristles ± erecto-patent, with thickened bases, rather short all over the proper undersurface, longer and more patent at the midrib beneath, 7.5-14 by 4.5-7.8 cm, midrib impressed above, strongly prominent beneath, nerves 5-6 pairs (with some more shorter and less distinct ones between them) curved-ascending, obscurely anastomosing, slightly impressed above, raised beneath, reticulation faint above, obsolete beneath; petiole stout, densely long-setose, 4-11 mm. Fascicles axillary, 4-5-flowered, patent-and crisped-setose in all parts, the corolla excepted. Pedicels rather slender, (3-)4-5(-7) mm. Bracteoles nearly reniform, covering each other at the base, glabrous inside, 1.5-2 mm. Calyx ± patent, 3 mm, lobes triangular, +-acute, inflexed, 1.5-2 mm. Corolla campanulate, suffused reddish violet, c. 6.5 mm, glabrous, lobes recurved, 2 mm. Filaments narrow, wavy, glabrous, 3 mm; anther-cells oblong, granular, c. 1.5 mm; tubules straight, 1 mm. Ovary glabrous; style 5 mm.
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