water chickweed (stellaria aquatica). inflorescence closeup

caryophyllaceae malachium aquaticum myosoton stellaria aquatica androecium anther anthesis bifid petal calyx cordate base corolla dichasium filament flower gland glanduar gynoecium lamina blade leaf vein ovate pedicel petiole pistil sepal sessile stamen stem stigma style venation water chickweed giant aquatica inflorescence closeup virtual herbarium belarus flora: focus-stacked closeups wild cultivated plants including flowers leaves fruits intended illustrations botanical manuals