Argostemma pictum (Rubiaceae), a species occurring in Myanmar, Thailand, Laos and Peninsular Malaysia, is newly reported for
the flora of Vietnam; a description, photographs, information on ecology and taxonomic notes are also presented. In order to facilitate
identification, we provide an identification key and checklist to the 10 known Argostemma species in Vietnam.
Keywords
Argostemmateae, checklist, new record, Rubiaceae, Vietnam, Gentianales.