marsh labrador tea (rhododendron tomentosum). lateral leaf buds closeup

ericaceae ledum palustre rhododendron tomentosum alternate bud gland glandular hirsute lateral leaf scar lepidote rustcolored vascular bundle traces woolly indumentum marsh labrador tea northern wild rosemary tomentosum buds closeup virtual herbarium belarus flora: focus-stacked closeups cultivated plants including flowers leaves fruits intended illustrations botanical manuals