Texas
Wildbuds

Ruellia nudiflora

(Wild Petunia)

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Ruellia nudiflora, Emma Long Park, Travis Co. 6252

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Ruellia nudiflora, St. Edward’s Park, Austin, Travis Co. 3656

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Ruellia nudiflora, Palmetto State Park, Gonzalez Co. 6841

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Ruellia nudiflora, Reimer’s Ranch Park, Travis Co. 5806

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Ruellia nudiflora, St. Edward’s Park, Austin, Travis Co. 3655

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Ruellia nudiflora, Reimer’s Ranch Park, Travis Co. 00453

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Ruellia nudiflora, Along FM 1322 east of Luling, Caldwell Co. 6808

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Ruellia nudiflora, Palmetto State Park, Gonzalez Co. 6844

Scientific Name Ruellia nudiflora USDA PLANTS Symbol RUNU
Common Name Wild Petunia, Violet Ruellia ITIS Taxonomic Serial No. 34384
Family Acanthaceae (Acanthus) SEINet
Reference
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Description Habitat: Dry or moist environments in heavy sands, clays, and calcareous soils; edges of thickets and woodlands, open areas, pastures, prairies and abandoned areas.
Plant: Erect perennial from a woody base, 1 to 2 feet tall, few branches in upper portion.
Leaves: Opposite, ovate leaves up to 2-1/2 inches long (becoming up to 4-3/4 inches long in summer) and 1-1/8 inches wide, on short petioles; blade curled, wavy or with dentate edges; lower surface with prominent veins.
Inflorescence: Blue-to-purplish funnel-shaped blossoms up to 2-1/2 inches long, with 5 lobes united into a long tube; white stamens and pistil. blossoms last only one day.
Bloom Period: April to October.
Reference: "Wildlowers of Texas" by Geyata Ajilvsgi, "Wildflowers of Texas" by Michael Eason, and "Manual of the Vascular Plants of Texas" by Correll and Johnston.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024