orange coneflower (rudbeckia fulgida). cauline leaf closeup

asteraceae belarus flora compositae rudbeckia fulgida abaxial black background botanical science botany cauline leaf closeup elliptic entire margin focus stacking hirsute indumentum lamina lanceolate blade vein macro nature orange coneflower ovate perennial petiole plants stem strigose venation virtual herbarium sessile auriculate