Summary

Studies on the anatomical and morphological features of Acanthopanax gracilistylus W. W. Smith and A. trifoliatus (L.) Merr. collected in Sa Pa (Lao Cai province)  and Pho Bang (Ha Giang province).

Our field investigation has been carried out thoughout the districts of Sa Pa (Lao Cai province), Dong Van, Yen Minh, Meo Vac, Quan Ba (Ha Giang province), Sin Ho (Lai Chau province), Thach An, Trung Khanh, Quang Hoa (Cao Bang province), Trang Dinh (Lang son province) and resulted in the collection of 85 different Acanthopanax specimens. We identified all the specimens of Acanthopanax gracilistylus W. W. Smith and A. trifoliatus var. setosus Li. in the districts of Sa Pa (Lao Cai province) anh Pho Bang (Ha Giang province).

In addition, we performed anatomical and morphological analysis on these specimens. As a result, their anatomical and morphological features were described in details.

Keywords:Acanthopanax gracilistylus W. W. Smith,  A. trifoliatus var. setosus Li.

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