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Commelina caroliniana Walter
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Commelina caroliniana Walter
Carolina dayflower

General Information
Symbol: COCA17
Group: Monocot
Family: Commelinaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : L48   I
Data Source and Documentation
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green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   





Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Commelinidae
Order Commelinales
Family Commelinaceae – Spiderwort family
Genus Commelina L. – dayflower
Species Commelina caroliniana Walter – Carolina dayflower

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FAC
Eastern Mountains and Piedmont FAC
Great Plains FACU
Midwest FACU

Related Links

More Accounts and Images
Flora of North America (COCA17)
Integrated Taxonomic Information System (COCA17)
USF Atlas of Florida Vascular Plants (COCA17)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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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: 2018-07-18 20:34:44 gmt
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