Piper bartlingianum C.Dc.

Shrub, subshrub or treelet, 1-4 m tall, somewhat nodose, glabrous. Petiole 0.5 cm long, glabrous, vaginate near or at base; blade glossy, coriaceous, not scabrous, not conspicuously glandular-dotted, elliptic-oblong, 13-30 x 5-8(-10) cm, apex acuminate, base equal or almost equally attached to petiole, acute, glabrous; pinnately veined, secondary veins 6-8 per side, flat to impressed above, prominent below, anastomosing well within margin, originating from throughout primary vein, tertiary veins widely reticulate. Inflorescence erect; peduncle 1 cm long, glabrous; spike 10-12 cm long, green, not apiculate; rachis hirsute; floral bracts cucullate, pilose on inner side. Fruits ovoid to tetragonous, separate, somewhat ridged or winged (at least when dried), glabrous may be somewhat papillose, stigmas 4, sessile.

Use: According to Miquel, Artanthe warakabacoura — meaning knee of the Warakaba bird — was used in Guyana and Suriname as one of the constituents of the Ourali poison.