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Arabis petiolaris
Arabis petiolaris (A. Gray) A. Gray
Brazos Rockcress, Rock-cress, Brazos Rock-cress
Brassicaceae (Mustard Family)
Synonym(s): Erysimum petiolare, Streptanthus brazoensis, Streptanthus petiolaris
USDA Symbol: ARPE4
USDA Native Status: L48 (N)
Plant Characteristics
Duration: AnnualHabit: Herb
Fruit Type: Silique
Size Notes: Up to about 4 feet tall.
Bloom Information
Bloom Color: White , PurpleBloom Time: Mar , Apr , May
Bloom Notes: White to pale lavender.
Distribution
USA: TXNative Habitat: Endemic to central Texas in sandy or rocky soil of open woods, rocky knolls, wooded bluffs, among boulders and along roadsides. Especially abundant in Llano and Burnet counties.
Growing Conditions
Light Requirement: SunBenefit
Conspicuous Flowers: yesAttracts: Butterflies
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Lady Bird Johnson Wildflower Center - Austin, TX
Brackenridge Field Laboratory - Austin, TX
Herbarium Specimen(s)
NPSOT 1096 Collected Apr 23, 1997 in Bexar County by Harry CliffeNPSOT 0737 Collected May 8, 1993 in Bexar County by Harry Cliffe
Wildflower Center Seed Bank
LBJWC-JHJ-2 Collected 2009-05-24 in Hays County by Lady Bird Johnson Wildflower CenterBibliography
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.Search More Titles in Bibliography
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Arabis petiolaris in USDA PlantsFNA: Find Arabis petiolaris in the Flora of North America (if available)
Google: Search Google for Arabis petiolaris
Metadata
Record Modified: 2022-11-23Research By: NPC