Paullinia decorticans. A Fruiting branch B Detail of abaxial surface of leaflet C Insertion of two basal leaflets showing defoliating rachis and petiole D Axillary shoot with overlapping cataphylls E Bulbous, young axillary shoot covered by cataphylls F Stipule G Staminate flower, lateral view H Posterior petal, dorsal view I Posterior petal with appendage, frontal view J Staminate flower with removed perianth showing nectary lobes and stamens, posterior view K Axillary infructescence with a fruit L Seed, ventral view. A, B, E, G–J from Burnham 1551 (US) C from Cerón & Hurtado 4167 (US) D from Vásquez & Jaramillo 17138 (MO) F from Hurtado 2819 (MO) K, L from Vásquez & Criollo 1804 (US).