Suffrutex, about 40-60 cm tall, sometimes taller, erect, branched above; branchlets persistently and smoothly canescent, stellate hairs appressed, with short rays radiating from a central scale (some scales become detached); tomentum interspersed with minute, gland-tipped hairs. Stipules subulate to narrowly ovate-acuminate, upper sometimes up to 7 mm long and 2.5 mm broad near base, lower smaller, tomentose on both sides, stellate hairs short. Leaves petiolate; blade oblong to ovate-oblong, about 10 to 20 cm long, densely stellate-tomentose on both sides, becoming subdensely so in older leaves, surface corrugated, margin crenate and crisped, sometimes shallowly lobate as well near base, nerves deeply impressed above, prominent beneath; petiole 3-9 mm long, stellate-tomentose as on blade. Inflorescence of 1-3-flowered cymes terminal on the branchlets and 3 or more developing in the axils of upper leaves forming a pseudoracemose cyme, branches of inflorescence stellate-tomentose and hairs short; peduncles 4-15 mm long; pedicels 2-5 mm long; bracts linear-subulate, 4-7 mm long, sometimes narrowly ovate or oblong-acuminate, 5-7 mm long, 2 mm broad near base, occasionally 3 together and united at base. Calyx not obviously inflated, 5-7 mm long, lobed almost to middle, densely stellate-tomentose, hairs short, fringing a central scale. Petals about 7 mm long, upper third oblong, narrowed slightly into a waist and then produced into a claw with infolded margins, glabrous. Stamens about 5 mm long; filaments hyaline, obovate; anthers overlapping filaments at base, ciliate. Ovary densely stellate-pubescent, about 2.5 mm long, shallowly 5-lobed, lobes rounded at apex; stipe short, up to 1 mm long. Capsule 6 mm long, densely stellate-pubescent, calyx persistent at base.
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Like H. amoena but calyx densely stellate-tomentose (vs. pubescence of longer softer hairs at calyx base and ± shaggy) and not inflated. Apr.-Sept.(-Nov.).