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Commelina caroliniana Walter
Life   Plantae   Monocotyledoneae   Commelinaceae   Commelina

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Following modified from Plants Database, United States Department of Agriculture
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Following modified from Flora of North America
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FNA | Family List | FNA Vol. 22 | Commelinaceae | Commelina

3. Commelina caroliniana Walter, Flora Caroliniana, secundum . . . 68. 1788.

Herbs, annual, diffusely spreading. Roots at nodes. Stems decumbent to scandent. Leaves: blade lanceolate to lanceolate-elliptic or lanceolate-oblong, 2.5--10.5 ´ 0.7--2.4 cm, margins scabrous, apex acute to acuminate, glabrous. Inflorescences: distal cyme vestigial, included (rarely 1-flowered and exserted); spathes solitary, bright green, paler basally, without contrasting veins, pedunculate, not at all to slightly falcate, 1.2--3(--3.7) ´ 0.5--1 cm, margins distinct, usually ciliate, apex acuminate, glabrous or very sparsely pilose; peduncles 0.6--2.3 cm. Flowers bisexual; petals all blue, proximal petal white medially, smaller; medial stamen with white connective; staminodes 3; antherodes yellow, often with central maroon spot, cruciform. Capsules 3-locular, 2-valved, (5--)6--8 mm. Seeds 5, dark brown, 2.4--4.3(--4.6) ´ (1.6--)2--2.3 mm, smooth to faintly alveolate, mealy. 2n = ca. 86.

Flowering summer--fall (rarely winter). Fields, roadsides, railroad rights-of-way, yards, waste places, especially in moist situations, weed in crops, especially rice, sugar cane and corn, and rarely in forests; introduced; Ala., Ark., Fla., Ga., La., Md., Miss., Mo., N.C., S.C., Tex.; native, India.


Faden, R. B. 1989. Commelina caroliniana (Commelinaceae): A misunderstood species in the United States is an old introduction from Asia. Taxon 38: 43--53.

Updated: 2018-03-18 03:41:30 gmt
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