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

Study on the anatomical and morphological features of Acanthopanax gracilistylus W.W. Smith and A.trifoliatus (L.) Merr. collected in Sa Pa district, Lao Cai province and Pho Bang district, Ha Giang province. Results: scientific name of 2 collected samples had been identified as Acanthopanax gracilistylus W.W. Smith and Acanthopanax trifoliatus var. setosus Li. The anatomical features of these 2 species were detailed described. The morphological features of leaf, stem and root of A.trifoliatus (L.) Merr. collected in Sa Pa and Pho Bang was detailed described firstly. The morphological characteristics of 2 species were similar