Abstract
Siliquamomum phamhoangii (Zingiberaceae) is described and illustrated as a new species from Kon Ka Kinh National Park in the Central Highlands, Vietnam. The new species is characterized by a combination of petiolate leaves, mostly yellow flowers, 3-lobed white calyx, ovate labellum, short anther crest and lateral staminodes connate to labellum in basal 1/3. A key to all known species of Siliquamomum species is given.