Dracontium spruceanum
Dracontium spruceanum is a tropical, succulent flowering plant species of the Amazon rainforest understory. It has been found in the South American countries of Colombia, Ecuador, Peru, Suriname, and Venezuela, as well as in the Central American countries of Costa Rica and Panama.
Common names for Dracontium sp. include jergón sacha, fer-de-lance, hierba del jergon, erva-jararaca, jararaca, jararaca-taia, milho-de-cobra, and taja-de-cobra.
Guang Hua Zhu identified two varieties of the species, apart from the typical variety: Dracontium spruceanum var. asperispathum and Dracontium spruceanum var. grandispathum.