Jatropha elastica Micrandra ternata Caoutchoua elastica Siphonanthus elasticus Siphonia cahuchu Hevea caucho Hevea collina Hevea elastica Hevea guianensis subsp. occidentalis Hevea guianensis var. occidentalis Hevea nigra Hevea peruviana Hevea ternata Hevea guianensis var. collina
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024