horse-chestnut (aesculus hippocastanum). leaflet closeup

aesculus hippocastanum belarus flora european horsechestnut hippocastanaceae sapindaceae abaxial attenuate leaflet base black background botanical science botany buckeye closeup conker tree crenate cuspidate dentate focus stacking indumentum lamina detail leaf blade vein macro nature oblanceolate obovate petiole plants serrate venation virtual herbarium eglandular hair tuft floccose