Microtropis petelotii Merrill & Freeman

Shrubs or trees, 4-10 m tall; branchlets purplish brown, slightly tetragonal. Petiole 8-12 mm; leaf blade narrowly elliptic to narrowly rectangular, 6.5-13 × 2-4.5 cm, leathery, yellowish white when dry, base cuneate, rarely widely cuneate, apex acuminate to acute; midvein fine, prominent on both surfaces, secondary veins 9-13 pairs, oblique, straight. Cymes axillary or along branch axis, mainly 3 or 4 × dichotomously branched, loose, spreading; peduncle 10-18 mm, secondary peduncle 5-7 mm; pedicels very short; terminal flowers absent on secondary and tertiary branches. Flowers 5-merous; sepals nephroid-semiorbicular, outer sepals obviously smaller; petals oblong, 2.5-3 mm. Disk annular or shallowly calathiform, slightly 5-lobed. Stamens short; filament shorter than ca. 1 mm; anther slightly scalariform-cordate. Ovary triangular-subulate. Capsule nearly terete, ca. 1.5 cm. Fl. Jun-Oct, fr. Jun-Oct.

Guangxi, S Yunnan [Vietnam].

Evergreen and mossy forests, thick forests; 1300-2200 m.