Stipules free, interpetiolar, foliaceous, auriculate-falcate, glabrous, acute, reticulate, 9 by 5 mm. Leaves 4-or 5-foliolate; rachis 6-8 cm long. Leaflets coriaceous, obovate-oblong, elliptic-oblong, or ovate-oblong, 10-17 by 5-7 cm; apex subacute to brief, blunt-acuminate; base rounded or obtuse; entirely glabrous; nerves 6 or 7 per side. Flowers unknown, apparently loosely arranged along a sturdy, glabrous, striate axis exceeding 10 cm in length. Pods (calyx persistent, glabrous) large, flat, subligneous, 5-ovulate, elliptic to elliptic obovate, up to 15 by 6-7 cm, brown-velvety, veined, with thick, raised sutures, shortly beaked. Seeds irregularly orbicular, flattened, 4.5 cm across.
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