Small trees, to 8 m tall. Leaves: petioles 0.5-3.5 cm, not winged, not swollen at base; lamina elliptic, obovate or obovate-oblong, 3-13 by 1.5-5.5 cm, chartaceous, base cuneate or acute, margin serrate-crenulate, apex acute or acuminate, acumen 0-10 mm long, lower surface glabrous; midrib prominulous on both surfaces, primary veins 8-10 pairs, brochidodromous, arching and merging 2 mm from margin, slightly prominulous above, prominulous beneath, intercostal veins slightly prominulous above, prominulous beneath, reticulate. Cataphylls triangular, c. 1.5 mm long. Inflorescences terminal racemes, pendulous, 3-35 cm long; rachis 0.5-1 mm diam.; bracts 1-1.5 by c. 1.5 mm. Calyx closed in bud, disrupting into 2-4 unequal segments. Flowers with short pedicels 4-8 mm long; petals and stamens red to deep crimson pink; staminal whorls 3, the inner one staminodal, staminal tube 0.5-3 mm, staminodia 1-2 mm; disc a very small ring, 0.25 mm high; ovary 2-locular, not winged; style c. 1.5 cm long. Fruits tetragonous, distinctly 4-winged, truncate, tapering at base, c. 2.5 by 0.5 by 0.5-0.75 cm.
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