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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Ruellia davisiorum (Rio grande wild petunia)
Bransford, W.D. and Dolphia

Ruellia davisiorum

Ruellia davisiorum Tharp & F.A. Barkley

Rio Grande Wild Petunia

Acanthaceae (Acanthus Family)


USDA Symbol: ruda

USDA Native Status: L48 (N)


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Subshrub

Bloom Information

Bloom Color: Purple



Herbarium Specimen(s)

NPSOT 0926 Collected Sep 2, 1994 in Bexar County by Mike Fox

1 specimen(s) available in the Digital Herbarium

Additional resources

USDA: Find Ruellia davisiorum in USDA Plants
FNA: Find Ruellia davisiorum in the Flora of North America (if available)
Google: Search Google for Ruellia davisiorum


Record Modified: 2007-01-01
Research By: TWC Staff

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