Shrubs or small trees, 1--6 m tall. Branchlets terete or nearly 4-angled, stellate tomentose. Stipules present, sometimes leaflike. Petiole 0.2--2 cm; leaf blade narrowly elliptic, narrowly ovate, or less often ovate or elliptic, 2--25 X 0.7--9 cm, abaxially stellate tomentose, adaxially slightly bullate, stellate tomentulose, and often with glandular hairs but glabrescent, base decurrent, margin entire or less often serrate, apex acuminate to rarely acute or obtuse, lateral veins 8--13 pairs. Inflorescences terminal and in axils of apical leaves, paniculate or thyrsoid cymes, 3--25 X 2--12 cm. Calyx campanulate, 2.5--4 mm, outside stellate tomentose and mostly with glandular hairs, inside usually glabrous; lobes triangular to broadly triangular, 0.3--1.2 mm. Corolla white, pink, or lavender, with an orange throat, 7--12 mm, outside stellate tomentose and with some glandular hairs; tube 6--10 X 1.2--1.6(--2) mm, inside pilose above base; lobes suborbicular, 2--2.5 X 1.8--2.2 mm. Stamens inserted just below corolla mouth, included; anthers oblong, 1--1.2 mm. Ovary ovoid, 1.2--2 X 0.8--1.2 mm, stellate pubescent and with glandular hairs except for glabrous base. Stigma clavate, 1--1.5 mm. Capsules ellipsoid, 4--7 X 2--3 mm, stellate pubescent, glabrescent. Seeds oblong, 1--1.2 mm, winged at both ends. Fl. Mar-Jun. 2n = 38.
Dry slopes and amongst rocks, especially on exposed sunny slopes; at elevations from 1,200-2,250 metres. Forest edges in mountains, open woodlands, thickets; at elevations from 500-3.000 metres.
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