Martinella insculpta Sprague & Sandwith A flowering branch B interpetiolar region with patelliform glandular trichomes and minute and triangular prophylls C trifid tendril D abaxial side of leaflet with patelliform glandular trichomes E calyx external view F calyx indumentum G open flower showing stamens, trichome distribution, and reduced (ca. 1 mm) staminode H gynoecium I fruit, flattened with a smooth surface J winged seed. Illustrated by Klei Sousa, based on B.L. Stannard 423 (A, E, G, H), SPF; E.Y. Kataoka 372 (B) and 407 (C, D), SPF; G.T. Prance 14914 (I, J), INPA; L.O.A. Teixeira 958 (F), INPA.