Trees, to 12 m tall; bark brown. Branchlets dark brown puberulent. Stipules ovate, scalelike, entire, ca. 4 mm; petiole ca. 1 cm, densely brownish tomentose; leaf blade oblong-obovate in outline, usually irregularly lobed, 8-13.5 × 4.5-6 cm, leathery, abaxially densely yellowish white stellate tomentose, adaxially glabrous, base rounded, truncate, or shallowly cordate, apex irregularly 3-5-lobed, bluntly acuminate. Flowers solitary, ca. 7 cm in diam., nearly sessile; epicalyx lobes ovate, entire, hairy. Sepals linear to narrowly lanceolate, ca. 4.5 × 1.1 cm, abaxially densely dark brown tomentose, adaxially densely yellow-brown tomentose. Petals white, obliquely obovate, ca. 4.8 × 2.8 cm, stellate puberulent, especially at base, base clawed, apex rounded. Androgynophore ca. 6 mm; filaments glabrous, apex of connective pointed and caudate; staminodes linear-clavate, ca. 3.5 cm, glabrous, upper part densely verrucose. Ovary ovoid, densely yellowish brown tomentose; style hairy; stigmas free but twisted together. Capsule not seen.
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