thunberg's barberry (berberis thunbergii). wintering twig closeup

japanese barberry thunberg 039 alternate bud axillary scale lateral leaf scar prickle pseudoterminal red thorn twig zigzag berberidaceae berberis thunbergii thunberg's thunbergii wintering closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals