Sumary

Studies on the Anatomical and Morphological Features of Asarum L. (Aristolochiaceae) Occuring in Sa Pa (Lao Cai Province)  and Tam Đao (Vinh Phuc Province)

The two species of the genus Asarum L. collected inSa Pa (Lao Cai province)  and Tam Đao (Vinh Phuc province) have been identified as Asarum petelotii O. C. Sm. and Asarum caudigerum Hance (fam. Aristolochiaceae). We performed anatomical and morphological analysis on these specimens. As a result, their anatomical and morphological features were described in details. Their outer features are quite different.

Key words:Asarum, Asarum petelotii O. C. Schmidt,Asarum caudigerum Hance,  Aristolochiaceae.

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