Shrub or small tree up to 2 m. high.. Branches slender, glabrous.. Petiole 1–5 mm. long; leaf-blade lanceolate or rarely oblanceolate or obovate, (120–)146–214(–234) mm. long, (39–)44–60(–68) mm. wide, slightly acute, basally cordate or subcordate, membranous, margin ± wavy.. Inflorescence a terminal umbel, 20–34(–55)-flowered; peduncle 15–30 mm. long.. Flowers 4-merous, greenish yellow; pedicel 3–5 mm. long.. Calyx-tube 8–16 mm. long, usually striate, glabrous; lobes ovate, 2 mm. long, 1.2–2.0 mm. wide, slightly puberulous on the inside of the margin.. Anthers 0.8–1.0 mm., subsessile.. Ovary 2–3 mm. long, glabrous; disc 0.3–0.5 mm., irregularly lobed, glabrous; style 4–8 mm.. Fruit blackish.. Seed 7–9 mm. long, 4–5 mm. wide.. Fig. 4/9, p. 13.
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