Leaf blades of Malpighiaceae A leaf with sagittate base of Stigmaphyllon ciliatum B leaf with rounded base of Banisteriopsis adenopoda C leaf with cordate base of Stigmaphyllon blanchetii D leaf with cuneate base of Banisteriopsis vernoniifolia E leaf with obtuse base of Stigmaphyllon paralias F leaf with truncate base of Stigmaphyllon gayanum G leaf with oblique base of Stigmaphyllon lanceolatum H leaf with attenuate base of Acmanthera minima I leaf with entire margin of Stigmaphyllon caatingicola J leaf with 3-lobed margin of Stigmaphyllon caatingicola K leaf with 5-lobed margin of Stigmaphyllon angustilobum L leaf with crenate margin of Stigmaphyllon crenatum M leaf with ciliate margin of Stigmaphyllon ciliatum N leaf with dentate margin of Stigmaphyllon vitifolium O leaf with plane blade margin of Banisteriopsis membranifolia P leaf with revolute blade margin of Verrucularina glaucophylla Q rounded leaf apex of Tetrapterys phlomoides R mucronate leaf apex of Banisteriopsis magdalenensis S emarginate leaf apex of Hiraea cuiabensis T cuspidate leaf apex of Banisteriopsis adenopoda U acuminate leaf apex of Mamedea harleyi V acute leaf apex of Banisteriopsis membranifolia (photographs A–D, F, G, I, L, O, P, T–V by R.F. Almeida; E, M by M.O.O. Pellegrini; H by F. Farronay, Q by G.A. Dettke, N by A.C. Dal Col, R by C. Baez, S by I.L. Morais).