FLORA OF VIETNAM
Aristolochiaceae Asarum caudigerum Hance
Northern Vietnam, Ha Giang Prov., Vi Xuyen Distr., Lao Chai municipality, Can Sao village (Tay Con Linh Nature Reserve).
Primary broad-leaved evergreen closed forest mixed with semi- decidous forest dominated by Alnus nepalensis, Betula alnoides, Carpinus pubescens
around point 22° 49′ 00′' N 104° 48′ 10′E, 1757 m a.s.l. near main field camp. Herb , common in humus soil, wet and shade ( photo: N.T. Hiep: DSC04064- DSC04065/ DSC04180- DSC04200)
CPC 369 20/5/2010 .
Collectors: N. Q.Hieu, N.T. Hiep, N. T. Vinh, L.T.Khuynh (Funded by Critical Ecosystem Partnership Fund-CEPF through FFI)