Cochlospermum vitifolium - Mexican Buttercup Tree

Mexican Buttercup Tree is a tree 5-12 m high, the trunk 5-10 cm in diameter, relatively few-branched, the branchlets minutely finely velvet-hairy, becoming hairless. Leaves are carried on slender leaf-stalks, up to 30 cm long, blade heart-shaped to almost circular in outline, usually 3-5-palmately divided, sometimes 3-5-palmatilobed, up to 30 cm across, the lobes with pointed to, blunt sinuses, with the tip pointed to tapering with a tail or long-tapering, with the margins from distinctly rounded toothed to crenulate-minutely toothed to nearly entire, and with the midvein prominent beneath, the upper surface slightly shiny and hairless, the lower surface somewhat paler. Flowers are borne at branch-ends, in panicles, the panicles erect and spreading. Flowers with the flower-stalks up to 3 cm long, sepal-cup somewhat leathery, the 2 outer sepals ovate to oblong-obovate, rounded at the tip, 1.2-1.8 cm long and 7-9 mm wide, the 3 inner sepals largely obovate to almost round, rounded at the tip, 2-2.2 cm long and 1.6-2 cm wide; petals obovate, 5-6 cm long, yellow; filaments unequal, 8-20 mm long, hairless, the anthers oblong-linear, about 4-6 mm long. Capsules are obovoid-ellipsoid, 5-valved, up to 8 cm long.