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1 Style 1, with a 5-lobed stigma; seeds 5-7 mm long, shiny, plump, angled; fruit lobes rounded; leaves mostly 4-10 cm long, with 7-8 pairs of lateral veins; petioles narrowly winged (0.1-1 mm wide), not enclosing and concealing the terminal and lateral buds; calyx subtended by 2 persistent bracts, each 2-4 mm long; seeds shiny
1 Styles 5, separate; seeds 8-10 mm long, dull, flat, thin (to slightly winged); fruit lobes angled; leaves mostly 7-15 cm long, with 5-7 pairs of lateral veins; petioles widely winged (1-2 mm wide), enclosing and concealing the terminal and lateral buds; calyx subtended by 1 persistent bract, 11-14 mm long; seeds dull