Commelina virginica

Linnaeus
Sp. Pl., ed. 2 1: 61. 1762.
IllustratedEndemic
Treatment appears in FNA Volume 22.

Herbs, perennial. Roots: rhizomes present. Stems erect to ascending, to 1 m. Leaves spirally arranged; leaf sheaths with red hairs at summit; blade lanceolate-elliptic to lanceolate-oblong, 6–20 × 1–5 cm, apex acuminate. Inflorescences: distal cyme vestigial, included (very rarely 1-flowered and exserted); spathes clustered, subsessile, funnelform, 1.5–3.5 × 1.2–2 cm, margins connate basally, glabrous (rarely puberulent). Flowers bisexual (rarely staminate); petals all pale blue, proximal one smaller; staminodes 3; antherodes entirely yellow, cruciform. Capsules 3-locular, 2-valved, (5.5–)6–9 × 3–6 mm. Seeds 5, brown, (2.4–)3–5(–6) × 2.4–3.1 mm, smooth with a few, shallow, irregular depressions, farinose. n = 30.


Phenology: Flowering midsummer–fall.
Habitat: Wet places, especially swamps, river and stream banks, ditches, and bottomlands, shade or full sun

Distribution

V22 393-distribution-map.jpg

Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.J., N.C., Okla., Pa., S.C., Tenn., Tex., Va.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Commelina virginica"
Robert B. Faden +
Linnaeus +
Ala. +, Ark. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.J. +, N.C. +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +  and Va. +
Wet places, especially swamps, river and stream banks, ditches, and bottomlands, shade or full sun +
Flowering midsummer–fall. +
Sp. Pl., ed. 2 +
Illustrated +  and Endemic +
Commelina virginica +
Commelina +
species +