Ruellia humilis

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Common Names: fringeleaf wild petunia [1], low ruellia, fringed leaf ruellia [2]

Ruellia humilis
Ruellia humilis IWF.jpg
Photo by John Hilty hosted at
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Scrophulariales
Family: Acanthaceae
Genus: Ruellia
Species: R. humilis
Binomial name
Ruellia humilis
Natural range of Ruellia humilis from USDA NRCS Plants Database.

Taxonomic Notes

Synonym: R. humilis var. calvescens (Fernald), R. humilis var. frondosa (Fernald), R. humilis var. typica, R. humilis var. longiflora (A. Gray), R. humilis var. expansa (Fernald)

Variety: none


R. humilis is a perennial forb/herb of the Acanthaceae family that is native to North America. [1]


R. humilis is found in the eastern United States as far west as Texas, excepting South Carolina, New Jersey, New York, Delaware, Connecticut, Rhode Island, Massachusetts, Vermont, Maine, and New Hampshire. [1]



Common habitats for R. humilis include calcareous or mafic glades and woodlands, as well as prairies. [3] Specimens have been colelcted from dry slopes of a region with pine and oak, and open prairie regions. [4]

R. humilis can grow in any textured soil, coarse, medium and fine. [1]

This forb has a medium tolerance to drought, and is very tolerant of shade. [1]


Flowering typically occurs during the summer months. [1]

Fire ecology

R. humilis has no tolerance for fire. [1]

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 USDA Plant Database
  2. Gee, K. L., et al. (1994). White-tailed deer: their foods and management in the cross timbers. Ardmore, OK, Samuel Roberts Noble Foundation.
  3. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  4. URL: Last accessed: June 2018. Collectors: Richard R. Clinebell II, William Platt, Sidney McDaniel, Randy Haynes States and counties: Georgia (Thomas) Alabama (Cherokee)