University of Maryland Extension

Asiatic dayflower

Asiatic dayflower
Commelina communis


Life cycle: annual monocot, resembling a dicot
Growth habit: lanceolate leaves with parallel veins and no petioles; leaf blades clasp stem at base; stems and leaves fleshy
Reproduction: flowers have 2 large blue petals above a smaller white petal; flowers only live for one day

dayflower blue flowers
Conditions that favor growth: ditches, low lying moist areas
Cultural control: handpull before plant grows large, making sure to remove all stem fragments; improve drainage


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