Trees columnar; twigs red-dish, smooth. Leaf blades (8-)10-16(-30) × (2.5-)3-5 cm, margins toothed on distal 1/2 (rarely proximal to middle), teeth deciduously gland-tipped, abaxial surface with 2-7-fascicled, straight hairs. Pedicels 1-2 mm diam. at narrowest point. Flowers: sepals obovate, 9-11 × 7-9 mm, base constricted; petals to 2-3 × 1.5-2.5 cm, apex rounded; filaments: free portion 4-6 mm. Capsules 1.5-2 × 0.9-1 cm, hairy; columella adnate to valves at base. Seeds 9-11 mm including apical wing, 3-3.5 mm wide. 2n = 30, 36.
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