Aeschynanthus horsfieldii var. brachycalyx Aeschynanthus horsfieldii var. geminatus Aeschynanthus horsfieldii var. rubiginosus
Lysionotus pulchellus Trichosporum horsfieldii Trichosporum rubiginosum Aeschynanthus rubiginosus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024