ABSTRACT:

Arisaema lidaense J.Murata & S.K. Wu, a species previously known from Yunnan (China), is recorded for the first time from Vietnam. This is the first time any species of Arisaema section Attenuata has been recorded from Vietnam. The species was found in Quan Ba district, Ha Giang province of Northern Vietnam. Vouchers are deposited in the Herbarium of the Institute of Ecology and Biological Resources (HN) Hanoi, Vietnam. In this paper, A. lidaense is described from the specimens collected from Vietnam.