Boechera calderi
Calder's rockcress
Family: Brassicaceae · Type: perennial · Native
Calder's rockcress is a California native perennial found in the Sierra Nevada Mountains, Modoc Plateau, and White and Inyo Mountains on exposed rocky ridges, meadows, and open forest near timberline at elevations of 2,050 to 3,350 meters. Flowering from June to August, this plant produces purple flowers 6 to 9 millimeters long with petals 1.5 to 2.5 millimeters wide. Growing with slender stems 10 to 45 centimeters tall emerging from a short-lived basal rosette, it has a non-woody caudex. Its basal leaves are 1.5 to 6 millimeters wide, covered with sessile 2 to 4-rayed hairs, while cauline leaves range from 5 to 17 with small 1 to 3 millimeter basal lobes. The fruit is an erect, appressed silique 3.5 to 6.5 centimeters long, containing 64 to 134 seeds arranged in two rows.
Habitat: Exposed rocky ridges, meadows, open forest near timberline
Bloom period: Jun-Aug
Elevation: 2050-3350 m
Bioregions: SNH, MP, W&I
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.