Asiatic (common) dayflower
Commelina communis L. Commelinaceae (Spiderwort family)
Erect to spreading summer annual.
Leaves are alternate, oblong to lance-shaped, 2 to 4 inches long, gradually tapering to a point with parallel veins and smooth leaf margins. Leaves clasp the stem, forming conspicuous basal sheaths.
Erect to prostrate, spreading stems are numerously branched and root at the nodes. Stems are thick, fleshy and swollen at the nodes
Flowers and fruit
Unique and attractive flowers, consisting of two large, bright blue petals at the top and a single small, white petal below, are enclosed in a green, leaflike bract. Flowers occur at the ends of long flower stalks. Each flower is open for one day only. Fruit are two-celled capsules that yield brown to reddish, wrinkled seeds.
Primarily by seeds, although vegetative reproduction occurs during the summer.
Print a PDF of this page: Asiatic (common) dayflower
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the AgBioResearch, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.