Small shrub with apparently ± prostrate stems. Branchlets minutely pubescent and rather long and finely setose, or setose only. Leaves ovate, apex broad-attenuate and provided with a rather thick, somewhat protracted terminal gland, base ± rounded, subcoriaceous to coriaceous, glabrous above, subdensely caducously setulose or finally punctate beneath, densely serrate, the teeth setose-ciliate, hardly 0.5 mm and 1-1.5 mm spaced, 1.3-2.4 by 0.7-1.6 cm, midrib impressed above, rather strongly prominent beneath, nerves c. 3 pairs, curved-ascendent, lower ones +-from or from above the base, slightly impressed above, raised beneath, reticulation rather lax, somewhat impressed above, slightly prominent beneath; petiole setulose, 1-3 mm. Racemes from the upper 2-4 axils, 4-6-flowered. Rachis 1.5-2 cm, rather densely short-pubescent, with several small basal perulae. Pedicels subdensely short-pubescent, 6-10 mm. Bract ovate, obtuse, ciliolate. Bracteoles lanceolate, inserted in the lower third of the pedicel. Calyx glabrous outside, puberulous inside, c. 5 mm, deeply 5-lobed, lobes acute, ciliate. Corolla conical-urceolate, white, glabrous outside, pubescent inside, c. 6 mm, lobes 1 mm. Filaments subferrugineous-villous their entire length; anther-cells ovate-oblong, c. 1.3 mm, each very short tubule with 2 divergent and +-reflexed horns. Ovary subferrugineous-hirsute; style hairy at the base only, c. 3 mm.
In ridge forest, ridge scrub or table land, near edge of crater among rocks, 2500-3500 m. Fl. Febr., March, June.