Vasilis Teodoridis:
Juglandaceae | Engelhardia
4b. Engelhardia spicata var. aceriflora (Reinwardt) Koorders & Valeton; Bijdr. Boomsoort. Java. 5: 167. 1900.
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Pterilema aceriflorum Reinwardt; Sylloge Plant. Nov. Soc. Rotisb. 2: 13. 1826; Engelhardia aceriflora (Reinwardt) Blume.
Trees to 10 m tall. Leaves 8-15 cm; petiole 4.5-9 cm; glabrous to puberulent; rachis usually slightly pubescent; leaflets 4-10; petiolule sessile to 5 mm; blade narrowly elliptic to ovate-elliptic; 8-15 x 3-6 cm; abaxially puberulent or glabrous; base oblique; obtuse; apex acuminate. Fruiting spike 15-30(-40) cm; tomentose. Nutlets ovoid; ca. 6 mm; hispid; wings hispid at base; middle wing 3-3.8 cm; lateral wings 1.5-1.8 cm. Fl. Mar; fr. Apr-May; Nov. 2n = 32.
Forests on mountain slopes; 1500-1700 m. Yunnan [India; Indonesia; Myanmar; Nepal; Philippines; Thailand; Vietnam]