Synonyms: Ancylobothrys brevituba; Ancylobothrys mammosa; Ancylobothrys mammosa var. crassifolia; Ancylobothrys mammosa var. mucronata; Ancylobotrys mammosa var. crassifolia; Ancylobotrys mammosa var. mucronata; Landolphia crassifolia; Landolphia echinata; Landolphia petersiana var. crassifolia; Landolphia petersiana var. mucronata; Landolphia scandens; Landolphia scandens var. coriacea; Landolphia scandens var. floribunda; Landolphia welwitschii (homotypic); Pacouria crassifolia; Pacouria echinata; Pacouria scandens; Strychnos scandens