Suffrutex, much branched; branches slender, young branchlets pubescent with minute, fringed or stellate scales and occasionally with a few tufted hairs on a tubercled base, older glabrescent. Stipules broad, amplexicaul and decurrent at the base, rounded at apex with a mucro or abruptly attenuate with a cuspidate or caudate apex, sometimes shallowly 3-lobed, margins obscurely crenate or dentate, finely and densely stellate on upper surface, hairs short, whitish stellate-tomentose below, glabrescent, 1, 5-4 mm long, 2-6 mm broad at base. Leaves petiolate; blade narrowly to broadly oblong-cuneate, 3-10 mm long, rarely longer, 2-6.5 mm broad in upper half, finely and densely stellate on upper surface, whitish stellate-tomentose below, margins somewhat irregularly crenate as well as undulate; petiole 1-3 mm long. Inflorescence axillary or terminal on lateral branchlets, cymes scorpioid, usually curved in a helicoid fashion, with very slender, sparsely and minutely stellate-pubescent branches; peduncles up to 25 mm long; pedicels 1.5 mm long; bracts and bracteoles like the stipules but smaller, about 2 mm long, some appearing subulate from a broad base. Calyx campanulate, finely stellate-pubescent (hairs very short), about 4 mm long, 5-lobed to above middle, sinuses wide. Petals about 6.5 mm long, more or less orbicular in upper half, narrowed below into a claw with infolded margins. Stamens about 4 mm long with obovate-oblong, hyaline filaments which are overlapped by anther bases. Capsule about 4 mm long, stellate-pubescent, somewhat 5-lobed, calyx persistent at base.
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Like H. muricata but flowers fewer and more diffuse on axillary and terminal branchlets.