A new species from the Annamite mountain range of central Vietnam, Hoya thuathienhuensis, is here described and illustrated. Its flowers bear similarity with Hoya lockii, a taxon recently described from the same area with which it shares the reflexed corolla and the thin coriaceous laves. Hoya lockii is an epiphytic shrub, whereas H. thuathienhuensis is a strong climbing liana. We also report the noteworthy extension into southern Vietnam of Hoya graveolens, a taxon previously considered to be endemic of Thailand.

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Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Rodda, M., Trân, T. B., Simonsson Juhonewe, N., & Sâm, L. N. (2012). Hoya thuathienhuensis and Hoya graveolens (Apocynaceae, Asclepiadoideae), a new species and a new record for the Flora of Vietnam. Blumea: Biodiversity, Evolution and Biogeography of Plants, 57(3), 243–247.