Suffrutex with slender branchlets, 90-120 cm tall, new growth thinly tomentose with fringed scales, glabrescent. Stipules leaf-like, narrowly elliptic to oblanceolate-elliptic, 5-20 mm long, 1-4 mm broad, acute at apex, cuneate at base, sometimes cuneate into a petiole up to 3 mm long, velvety tomentose on both surfaces, sometimes fairly thinly so. Leaves usually shortly petiolate; blade narrowly elliptic-cuneate to oblanceolate-elliptic or oblong-cuneate, 10-23 mm long, 4-8 mm broad, often acute at apex, cuneate at base, margins entire or rarely with a few teeth in upper portion, velvety tomentose on both surfaces, sometimes fairly thinly so; petiole 2-5.5 mm long. Inflorescence a few-flowered racemose cyme terminal on the lateral branchlets. Calyx tubular, campanulate, about 7 mm long, tomentose with short stellate hairs, minute gland-tipped hairs and fringed scales, lobed to above middle, subglabrescent, lobes acute to subulate from a deltoid base, about 2 mm long, sinuses wide, u-shaped, margins pubescent. Petals “yellow and red”, “dull yellow”, “orange”, “rather pale yellow” or “brownish yellow”, contorted, about 10 mm long, exceeding calyx, upper half broadly oblong, emarginate, narrowing into a long claw with infolded margins, pubescent along sides in centre. Stamens about 5 mm long, with hyaline, narrowly oblong filaments united for less than 1 mm at base around short stipe; anthers acute, ciliate. Ovary about 4 mm diam., subglobose, obscurely 5-lobed and 5-umbonate at apex, stellate-tomentose hairs short but longer towards apex of ovary; stipe almost 1 mm long; styles adhering; stigma small. Capsule exserted from calyx remains, about 7-8 mm long, pubescent with stellate hairs, hairs short except along sutures and at apex.
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Slender, erect suffrutex, 0.5-1.2 m high; vegetative parts thinly tomentose with fringed scales. Leaves with short, visible petioles, oblong-cuneate, often folded, apex acute, margins entire; velvety tomentose on both surfaces. Stipules leaf-like. Inflorescences of 1-or 2-flowered racemose cymes, on terminal, leafless branches; peduncles and pedicels very short, velvety tomentose. Flowers ± 10 mm long, brownish yellow. Calyx tubular, campanulate, 5-lobed almost to middle, lobes subulate; subglabrescent with short, stellate hairs, minute gland-tipped hairs and fringed scales. Petals exceeding calyx, contorted, upper half broadly oblong, centre part with pubescent margins, narrowing into a long claw. Flowering time July-May. Fruit a capsule exserted from calyx remains.
Like H. velutina but flowers in slender, terminal racemes and calyx not deeply lobed and flared.