Commelina caroliniana

Walter

Flora Caroliniana, secundum. 68. 1788.

Introduced
Treatment appears in FNA Volume 22.

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.


Phenology: Flowering summer–fall (rarely winter).
Habitat: 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

Distribution

V22 176-distribution-map.jpg

Introduced; Ala., Ark., Fla., Ga., La., Md., Miss., Mo., N.C., S.C., Tex., native, India

Discussion

Lower Taxa

None.
... more about "Commelina caroliniana"
3 cm30 mm <br />0.03 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
distinct +
1.2 cm12 mm <br />0.012 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Acuminate (?) +, Falcate (?) +  and Acute (?) +
0.5cm;1cm +
Robert B. Faden +
Walter +
petiolate +  and sessile +
2.5 cm25 mm <br />0.025 m <br /> (10.5 cm105 mm <br />0.105 m <br />) +
lanceolate;lanceolate-elliptic or lanceolate-oblong +
0.7cm;2.4cm +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Md. +, Miss. +, Mo. +, N.C. +, S.C. +, Tex. +, native +  and India +
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 +
thyrsiform +  and cymose +
arranged +  and 2-ranked +
cauline +  and basal +
not glaucous +
3 cm30 mm <br />0.03 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
1.2cm;3cm +
acuminate +  and falcate +
0.5cm;1cm +
0.6 cm6 mm <br />0.006 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
distinct +
unequal +
Flowering summer–fall (rarely winter). +
Flora Caroliniana, secundum. +
faden1989a +
0.43 cm4.3 mm <br />0.0043 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.43 cm4.3 mm <br />0.0043 m <br />) +
smooth +  and faintly alveolate +
0.2 cm2 mm <br />0.002 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
distinct +
subequal +
paler +  and bright green +
pilose +  and glabrous +
Introduced +
staminodial +
some +  and fertile +
decumbent +  and scandent +
not +  and enlarged +
slender +
Commelina caroliniana +
Commelina +
species +