Description: Deciduous tree, 15–30 m tall. Densely long pale brown tufted tomentose or glabrous on twigs, stipule outside, leaves below, petioles, pedicels, and calyx outside. Stipules lanceolate, to ca 7 long. Leaves elliptic to broadly oblong to ovate-oblong, 10–30 cm long, plicate; apex obtuse; base broadly cuneate to cordate; secondary veins straight, 12–20 on each side, tertiary nerves scalariform; petioles 2.5–6.5 cm long. Racemes 3–10 cm long, zig-zag arrangement, inflorescence buds covered with bract; pedicels stout, 1–2 mm long. Calyxs united into a tube; 2 longer lobes, oblong, 1–2 cm; 3 shorter lobes, deltoid, 4–6 mm. Petals white to pale pink, shortly indumentum outside, lanceolate, ca 4–6 x 1 cm. Stamens ca 30; filaments ca 2 mm long; anthers 4-celled, ca 5 mm long; connectives filiform. Ovary conical, pubescent; style slender. Fruit a nut: calyx tube subglobose, loosely enclosing, smooth, short indumentum, 1.5–3.5 cm diam.; 2 wink-like lobes spatulate with 3 veins, 8–15 cm long; 3 short lobes, broadly elliptic, ca 1.5–2 cm long, revolute; nut pubescent. |
Distribution: Myanmar, Laos, Cambodia, S Vietnam, upper Peninsular Malaysia and throughout Thaildnd, common in deciduous dipterocarp, pine deciduous dipterocarp and beach forests, to ca 1,300 m.
Notes: Last updated on 18 January 2017. |
