A glabrous plant with decumbent or ascending branching stems, often rooting at the nodes, 1 to 3 feet long with numerous oblong-lanceolate leaves 3 to 5 inches long and 1 to 1½| inches wide, acuminate at the tips and narrowed or rounded at the base, smooth and dark green, the stem with white-membranous, green-veined sheaths below each leaf. Flowers toward the ends of the branches or stems, each subtended by green leaflike spathes about 1 inch long, deep blue, one-half of an inch broad or broader, irregular, consisting of three sepals and three petals, two of them much larger than the third; three fertile stamens, one of them incurved and its anther larger than the others. In addition there are three sterile stamens. Fruit a small, two-celled capsule, each cell with two seeds; seeds compressed, dark brown and roughened.
A native of Asia, commonly naturalized or adventive in southern New York and southward, and occasionally appearing farther north. Sometimes called " Wandering Jew."
B. Asiatic Dayflower - Commelina comnunis