Commelina communis is an annual herb with many branched, prostrate stems, which are minutely pubescent distally, and about 3.4 ft. (1 m) long.
Foliage
The leaves are lanceolate to ovate-lanceolate, 1.2-3.5 in. (3–9 cm) long and 0.6-0.8 in. (1.5–2 cm) wide.
Flowers
The inflorescence is a cyme with one flower near the top, with dark blue petals and membranous sepals about 0.2 in. (5 mm) long.
Fruit
Fruit are two-valved capsules that are elliptic from 2-3 in. (5–7 mm). The two seeds in each valve are brown-yellow, 0.08-0.12 in. (2–3 mm) long, irregularly pitted, flat-sided, and truncate at one end.
Ecological Threat
Commelina communis can be found in moist, shady forest edges. It can be found in wet areas of crop fields, orchards, ditches, and roadsides.