Creole: Boehari; Boohiari; Boyarri; Devildoer; Pauisima.
Region: Guyana
BotanyWoody vine.
Stem: 2 cm diameter; bark deeply ridged, fissured; branchlets glabrous; pseudostipules lacking.
Leaves: petiole twining, up to 7 cm long; blade chartaceous, triangular, 8 to 15 cm long, 8 to 18 cm wide; glabrous, shining above, glaucous, velvet-tomentose beneath; apex obtuse or acute, base straight to slightly cordate; lateral veins marginal at base.
Inflorescence: cauliflorous, or rarely axillary; racemes contracted; up to 1 cm; bearing few flowers with minute scaly bracts; pedicels 2-3.5 cm long.
Flowers: ovary 1-1.5 cm long; perianth tomentose outside when young, pale brownish green with darker veins; utricle ovoid, 2 x 1.3 cm; tube short, funnel-shaped; superior lobe ovate, wider than long, 3 x 5-6 cm, apex truncate and mucronate, inside verrucose.
Fruit: 7 to 10 cm long, rough, glabrous, midrib of carpels thickened, with a median groove, external wall thick, woody; seeds ovoid, 5 x 2.5 mm, apex rounded, base emarginate, with the funicle slightly winged, longitudinally protruding.