Ruellia occidentalis (A. Gray) Tharp & F.A. Barkley
Western wild petunia
Acanthaceae (Acanthus Family)
Synonym(s): Ruellia nudiflora var. occidentalis, Ruellia strictopaniculata, Ruellia tuberosa var. occidentalis
USDA Symbol: ruoc4
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Root Type: Fibrous
Leaf Retention: Deciduous
Leaf Complexity: Simple
Leaf Shape: Ovate
Leaf Venation: Pinnate
Leaf Pubescence: Puberulent
Leaf Margin: Undulate
Leaf Base: Rounded
Breeding System: Flowers Bisexual
Size Notes: 1-2 feet.
Flower: Flowers 7 cm long
Fruit: 1.6-2 cm
Size Class: 1-3 ft.
Bloom InformationBloom Color: Purple
Bloom Time: Aug , Sep , Oct
Native Habitat: In dry rocky woods, chaparral hills and flats on the Edwards Plateau and the Rio Grande plains.
Growing ConditionsLight Requirement: Part Shade , Shade
Soil Moisture: Dry , Moist
Cold Tolerant: yes
Heat Tolerant: yes
Conditions Comments: Showy lavender-purple flowers on the dense, neat, almost rounded form of Western Wild Petunia makes a good addition to any garden or wildflower meadow for a long season of color. Easy to grow and fast from seed.
BenefitConspicuous Flowers: yes
Nectar Source: yes
Deer Resistant: Minimal
PropagationPropagation Material: Seeds
Mr. Smarty Plants says
Native plants for dry shade in Austin
March 27, 2007
I live in North Austin, and I'd like to find plants that would work in dry shade. This area does receive a couple of hours of morning sun, and I've had great luck with Hinckley's Columbine. Any o...
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From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
National Butterfly Center - Mission, TX
BibliographyBibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.
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Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.View Recommended Species page
Additional resourcesUSDA: Find Ruellia occidentalis in USDA Plants
FNA: Find Ruellia occidentalis in the Flora of North America (if available)
Google: Search Google for Ruellia occidentalis
MetadataRecord Modified: 2007-01-01
Research By: NPIS, JSC