white dead-nettle (lamium album). inflorescence closeup

belarus flora labiatae lamiaceae lamium album androecium anther anthesis black background botanical science botany bract calyx campanulate ciliate closeup corolla eglandular hair filament flower focus stacking gibbous gynoecium inflorescence macro nature pedicel petal plants pollen quadrangular sepal stamen stem stigma striate style tubular verticillaster virtual herbarium white deadnettle nettle glandular