Trees, evergreen, 13-15(-19) m; trunk to 12(-17) cm thick. Branches spreading, dark red. Leaves 3-whorled; petiole 2-9 cm, less reddish; leaf blade ovate-rounded, 2-6 × 2-4 cm, both surfaces red, base subtruncate, margin entire, apex obtuse; main vein prominent at both surfaces, lateral veins numerous pairs, reticulate before reaching margin. Cyathia numerous, peduncle ca. 2 cm; involucre broadly campanulate, ca. 4 × 2.5-3 mm, lobes 4-6, triangular, pilose on margin; glands 4-6, dark green, rounded, appendages white, lobed. Male flowers numerous, bracts linear. Female flower exserted from involucre; ovary 3-angular, with vertical furrows, conspicuous. Capsule 3-angular-ovoid, ca. 5 × 6 mm, smooth, glabrous. Seeds subglobose, ca. 3 mm in diam., brown, adaxially dark striate; caruncle absent. Fl. and fr. Apr-Nov.
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