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Whitemouth dayflower
Commelina erecta

Copyright by: Roger L. Hammer

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations. Also wildflower gardens.

Ecological Restoration Notes: A common but barely noticeable understory wildflower of open upland ecosystems.

Availability: Grown by enthusiasts.

Description: Small creeping herbaceous wildflower.

Dimensions: Typically 3-12 inches in height. Spreading and forming small open or dense patches.

Growth Rate: Moderate to fast.

Range: Widespread in North America south to Miami-Dade County and the Monroe County Keys; West Indies, Mexico, Central America and South America. Rare in the Monroe County Keys.

Map of select IRC data from peninsular Florida.

Habitats: Pinelands and coastal uplands.

Soils: Moist to dry, well-drained sandy or limestone soils, without humus.

Nutritional Requirements: Low; it grows in nutrient poor soils.

Salt Water Tolerance: Low; does not tolerate long-term flooding by salt or brackish water.

Salt Wind Tolerance: Secondary line; tolerates significant salt wind without injury, but usually is somewhat protected.

Drought Tolerance: High; does not require any supplemental water once established.

Light Requirements: Full sun.

Flower Color: Two blue petals and one white petal.

Flower Characteristics: Showy, about 1" wide; flowers are open in the morning.

Flowering Season: All year; peak in summer.

Fruit: Inconspicuous capsule.

Wildlife and Ecology: Wilting flowers attract insects.

Horticultural Notes: Can be grown from cuttings and seed.

Comments: Similar in appearance to the weedy exotic common dayflower.

Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Keith A. Bradley

Copyright by: Keith A. Bradley

Other data on Commelina erecta available from:

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