Summary

The Morphological Characters of 3 Species of the Genus Ehretia - Boraginaceae

The morphological characters of 3 species of the genus Ehretia have been investigated and described, and their scientific name were identified. They are Ehretia acuminata R. Br. (Cuom rung nhon); Ehretia. longiflora Benth. et Champ. (Cuom rung hoa dai) and Ehretia asperula Zoll. et. Mort. (Xa den). The anatomical characters of 3 mentioned species have been also investigated and described. These characters are differential features and have valueted for indentification. The number of palisade cell rows, shape of phloem – xylem bow and hairs are different characters within these species of Ehretia.

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