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Brazos rockcress
Scientific Name: Arabis petiolaris
Family: Brassicaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual, Biennial
Other Names:
Brazos Rockcress
Brazos Rockcress is a plant with a complex taxonomic history and interesting ecological interactions.
Nomenclature and Taxonomy
- Scientific Name: While the text references both Arabis petiolaris (A. Gray) A. Gray and Streptanthus petiolaris A. Gray, it indicates that Streptanthus petiolaris is the accepted name and that Arabis petiolaris is a synonym.
- Common Names: Brazos rockcress, Rock-cress, Brazos rock-cress
- Family: Brassicaceae (Mustard family, also known as moutardes or crucifers)
- Genus: Originally classified under Arabis, but also linked to the genus Streptanthus Nutt. (twistflower)
- Taxonomic Status: Current standing is not accepted - synonym.
Distribution and Habitat
- Brazos Rockcress is found in Texas (TX).
- It is wide-ranging and found in countless habitats on the Edwards Plateau, Lampasas Cutplain, Llano Uplift, and the northern part of the South Texas Plains.
- Common along riparian corridors.
Morphological Characteristics and Growth Habits
- It is a forb/herb, defined as a non-woody plant that is not a grass.
- It can be grown in the garden throughout the whole year and doesn't fear cold weather, bearing very harsh minimum temperatures.
- It has yellow flowers with brown centers.
Interactions with Other Organisms
- It serves as a host plant for the Checkered White butterfly (Pontia protodice).
Further Information
- English: Brazos Rockcress Retrieved from Wikipedia.
- Discover Life contains pages about the biology, natural history, ecology, identification, and distribution of Arabis petiolaris.
- Dave's Garden provides tips and ideas for gardens, along with seeds and plants.