Native Plants
Digital Herbaria
Arabis petiolaris
Arabis petiolaris (A. Gray) A. Gray
Brazos Rockcress, Rock-cress, Brazos Rock-cress
Brassicaceae (Mustard Family)
USDA Symbol: ARPE4USDA Native Status: L48 (N)
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Specimen & Label Data
Arabis petiolaris
Brazos Rockcress
Brassicaceae
Location: Limestone hill SE of guard gate on S Oakwell Farms Pky--Oakwell Farms, San Antonio.Latitude: 0.000000
Habitat: Damp, half-shaded, shallow, alkaline soil. Few & scattered.
Description: Erect, single stalk, taprooted annual, 45 cm tall. Many thin, ascending petioles above (to 35 mm). Leaves alternate, pinnately lobed below (3.5x 10 cm) to simple, linear-lanceolate and reduced above. Infloresences are bractless racemes. Flowers tetradynamous, lavender. Siliques straight or slightly curved (3x50 mm), flattened parallel to septum erect. Seed orbicular/ winged.
County: Bexar
Collector: Harry Cliffe
Collection Date: May 8, 1993
Specimen number: 496
Herbarium Owner: NPSOT
Herbarium ID: 0737
Accession Date: Apr 26, 1994
Accession Number: 53
Annotations: (In flower & fruit)
SCFRB