Tree up to c. 6 m. tall; branches rather slender, ascending; indumentum of sparse stellate hairs on older parts, of ± dense stellate hairs on younger parts and infl. Branchlets slender, bark us. dark red brown. Juvenile plant a twiggy shrub with subdivaricate branches; lvs rather distant, on very slender petioles ± 5 mm. long; lamina 10-15-(30) × 10-15-(25) mm., broad-ovate to suborbicular in outline, cuneately narrowed to base, irregularly ± deeply 3-5-lobed or incised, teeth dentate. Adult plant with lvs on pedicels 5-10-(20) mm. long; lamina of lanceolate to ovate-lanceolate order, mostly acuminate (some lvs obtuse to broadly rounded at apex), cuneately narrowed to base, (5)-15 × (1)-5 cm. Fls c. 2 cm. diam. (sts larger), in 2-5-fld cymose fascicles to solitary, on pedicels 2-3 cm. long. Calyx campanulate, ± 6 mm. long, teeth triangular, indumentum us. dense; petals white, obliquely oblong, notched, 10-15 mm. long; styles (5)-6-7, stigmas capitate; anthers white. Carpels (5)-6-7, compressed, wings broad.

2n = 42