Commelina diffusa Burm.f.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Commelinaceae
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Scientific Name
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Description
Species Description - Fibrous-rooted annual, diffusely branched, decumbent and rooting from the lower nodes, to 1 m; lf-blades lanceolate, the larger 3–8(–11) × 1–1.5(–2) cm; sheaths 0.5–1 cm; spathe (folded) semicordate and ± falcate, 1.5–2.5 cm, nearly as wide, acute or short-acuminate, glabrous or finely ciliate, its margins free, its stalk 1–2 cm; larger spathes usually with a 1–few-fld upper cyme in addition to the well developed lower one; blade of upper pet 6–8 mm; lower median pet blue; anthers 5 or 6 (2 or 3 sterile); fr 3-locular, the lower locules each 2-seeded, the upper one 1-seeded; seeds of the lower locules 2–2.8(–3.2) mm, deeply reticulate; 2n=28–60. Wet woods and river-banks; native to the Old World, only intr. in N. Amer., where mainly in se. U.S., n. sometimes to Del., O., Ill., Minn., and Kans.
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Common Names
creeping day-flower