Epiphytic or terrestrial shrub, up to 1.5 m. Branchlets subangular, greyish corticate below, tips reddish to brown red, completely glabrous. Leaves generally obovate-elliptic to obovate, apex broadly attenuate to rounded, in alpine forms more elliptic, the terminal gland thick and prominent, base cuneate into the petiole, coriaceous, somewhat shining above, ± dull beneath, glabrous, or sometimes laxly punctate beneath, margin slightly to distinctly recurved, the glandular-impressed crenations minute, more visible in alpine forms, generally (2.5-)3-5(-7) by 1.5-2.5(-4) cm, alpine forms smaller, 2-3(-4.5) by 1-2 cm, midrib and 1-2 pairs of nerves slightly impressed above, ± raised beneath, nerves from and from above the base of the lamina, curved-ascendent to the top; petiole thick, 3-5 mm. Flowers solitary, or mostly 2 or 3 per fascicle. Pedicel rather slender, laxly and ± coarsely muriculate, (5-)7-12 mm. Bracteoles broad-ovate, glabrous, ciliolate, 1 mm. Calyx turbinate, purplish, glabrous, 3 mm, lobes ovate, obtuse, ciliolate, 1.5 mm. Corolla cylindric, white or greenish or pink with whitish lobes, glabrous, 5-6 by c. 3 mm, lobes erect or somewhat spreading, 1 mm. Filaments filiform, glabrous, 3 mm; anther-cells ovate-oblong, echinulate, 2 mm; tubules broad, 0.5 mm. Ovary glabrous; style 4-5 mm. Fruit subglobose, reddish or finally purplish blackish, fleshy, 5-7(-12) mmo.
Epiphytic in forest, or terrestrial in more open mossy forest or in thickets, on peat ridges, (1550-)1900-3225 m, gregarious locally. Fl. Aug.-Jan.
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