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Commelina virginica L.
VIRGINIA DAYFLOWER
Life   Plantae   Monocotyledoneae   Commelinaceae   Commelina

Commelina virginica, Virginia Dayflower
© Copyright Sheryl Pollock 2011 · 8
Commelina virginica, Virginia Dayflower

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Commelina virginica, Virginia Dayflower
© Copyright Sheryl Pollock 2011 · 5
Commelina virginica, Virginia Dayflower
Commelina virginica, leaf and flower
© Kay Yatskievych, 2003 · 1
Commelina virginica, leaf and flower

Associates · map
FamilyScientific name @ source (records)
Glomerellaceae  Colletotrichum commelinae @ BPI (1)
Mycosphaerellaceae  Cercospora commelinae @ BPI (1)
Phakopsoraceae  Phakopsora tecta @ BPI (6)
Pucciniaceae  Uromyces commelinae @ BPI (6)

Uromyces spegazzinii @ BPI (1)
_  Uredo commelinae @ BPI (1)

Uredo ochracea @ BPI (1)

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Following modified from MissouriPlants.com
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Commelina virginica  L. - Day Flower

Commelina virginica plant

Family - Commelinaceae

Stems - No info. yet.

Leaves - No info. yet.

Commelina virginica leaves

Commelina virginica sheath Sheath close-up.

Inflorescence - No info. yet.

Commelina virginica spathe Spathe.

Flowers - No info. yet.

Commelina virginica flowers

Flowering - July - September.

Habitat - Bottoms, streambanks, swamp margins, ditches.

Origin - Native to U.S.

Other info. - This rhizomatous species is easy to identify in the field because of its reddish sheath pubescence, its flowers (which have three blue petals), and its rhizomes. The plant grows in the southern half of Missouri and is most common in the bootheel of the state.

Photographs taken in Brown Summit, NC., 7-31-02.


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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

7. Commelina virginica Linnaeus, Sp. Pl., ed. 2. 1: 61. 1762.

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.

Flowering midsummer--fall. Wet places, especially swamps, river and stream banks, ditches, and bottomlands, shade or full sun; 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.

Updated: 2017-12-14 10:19:08 gmt
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