Abstract. The stem structure and leaf epidermis of four species of Ranunculus L. genus growing in Blagoveshchensk district of Amur region are comparatively analyzed in the article. The most important diagnostic and conditionally-informative characters, which may be used for intra-species diagnostics, are determined for the first time.
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Key words and phrases: род Ranunculus, Амурская область, анатомия стебля, эпидерма, лист, диагностические признаки, Ranunculus genus, Amur region, stem anatomy, epidermis, leaf, diagnostic characters
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