Semi-to fully deciduous trees, 4-12 m tall; trunk bark gray; branches glabrous. Petiole (1-)3-6(-8) cm, glabrous or puberulent; leaf blade drying thinly leathery, ovate, ovate-oblong, or elliptic, (4-)9-15(-25) × (3-)5-10(-18) cm, adaxially shiny and glabrous or infrequently sparsely hirtellous, abaxially glabrous to pilosulous, base cordate to obtuse, sometimes slightly inequilateral, apex acute to acuminate; secondary veins 6-12 pairs, sometimes with foveolate or to pilosulous domatia; stipules (5-)10-15 × 2-5 mm, puberulent to glabrous, lobes suborbicular. Inflorescence densely puberulent; peduncles 1-3 cm; branched portion 5-10 × 5-10 cm, branched to 1 order; flowering heads 4-8 mm in diam. across calyces, 14-18 mm in diam. across corollas; bracteoles ca. 1 mm. Calyx villosulous; ovary portion ellipsoid-obcuneate, 0.7-1 mm, surrounded at base by a ring of trichomes 0.5-1 mm; limb deeply lobed, lobes spatulate, ca. 0.5 mm, at apex rounded and thickened. Corolla outside densely woolly puberulent; tube (3-)4-5 mm; lobes spatulate to deltoid, 0.5-1 mm, acute to obtuse. Stigma fusiform, 0.3-0.4 mm, exserted for 4-6 mm. Fruiting head 11-15 mm in diam. Capsules obovoid-cuneate, 5-7 mm, sparsely hirtellous; seeds 2.5-3.5 × 0.5-1 mm, often bifid at apex. Fl. and fr. May-Dec.
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