2017 Volume 68 Issue 2 Pages 93-100
A new species, Tarenna aurantiaca Naiki & Tagane (Rubiaceae) from Hon Ba Nature Reserve, southern Vietnam, and a new variety T. pilosa var. parvifolia Naiki & Tagane from Bokor Nature Reserve, southern Cambodia, are described and illustrated. Tarenna costata (Miq.) Merr. is reported for the first time for the flora of Cambodia. A key to the species of Tarenna in Indochina, including Cambodia, Laos and Vietnam, is provided.