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

\n\tThe two species of the genus Asarum L. collected in Sa 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.

\n\tKey words: Asarum, Asarum petelotii O. C. Schmidt, Asarum caudigerum Hance,  Aristolochiaceae.

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