Plants to 3 m, glabrous except for young branchlets and inflorescences. Branches tawny brown, with pale lenticels. Petiole 2-3 mm; leaf blade elliptic or ovate-lanceolate, 3-4.5 × 1.5-2.8 cm, base broadly cuneate, apex acute or rarely acuminate; lateral veins inconspicuous. Cymes extra-axillary, 1.5-2 cm; peduncles, pedicels, and bracteoles puberulent. Sepals ovate, pubescent. Corolla yellowish; tube short; lobes ovate, obtuse. Stigma head conical. Follicles oblong-lanceolate in outline, 5-6.5 × ca. 1 cm, glabrous. Seeds oblong, ca. 8 × 3 mm; coma white, ca. 3.5 cm. Fl. May-Jul, fr. Aug-Oct.
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