wrinkled giant hyssop (agastache rugosa). flower closeup

agastache rugosa belarus flora chinese patchouli indian mint korean labiatae lamiaceae lophanthus rugosus androecium anther anthesis black background botanical science botany calyx closeup corolla filament flower focus stacking gynoecium inflorescence macro nature pedicel peduncle petal pistil plants pollen purple giant hyssop sepal stamen stigma style virtual herbarium wrinkled gyant tube