Figure 1.

Ampelozyziphus amazonicus. (A) Characteristic robust woody liana with twisted stem; (B) plant collection showing details of the alternate opposite simple leaves on young stems; (C) habitat and habit of A. amazonicus in the forest; (D,F) transversal cut of the liana showing the brownish red ritidome with whitish sapwood that produces abundant foaming (saponin rich) upon cutting; (E) seedlings of A. amazonicus in a terra firme area. Photos by S.G. Leitão, taken at Ilha do Macaco, along the Erepecuru River, Brazil.