Eryngium aristulatum var. parishii

San diego button-celery, San Diego Button-Celery

Family: Apiaceae · Type: perennial · Native

Conservation status: CNPS 1B.1 · Endangered

San diego button-celery is a rare (CNPS 1B.1) California native perennial found in southern California coastal and Peninsular Ranges in vernal pools and marshes at elevations below 705 meters. Flowering from May to June, this plant produces white to pale blue flowers in compact heads 5 to 9 millimeters long with delicate spiny bracts. Growing with erect or spreading stems 10 to 30 centimeters tall, it develops a distinctive branching form with slender green stems. Its leaves are lanceolate to oblanceolate, typically 3 to 5 centimeters long with pinnate lobing and occasionally sharp serrated edges. The tiny fruits are approximately 2 millimeters long with persistent styles nearly equal to the calyx.

Habitat: Vernal pools, marshes

Bloom period: May-Jun

Elevation: < 705 m

Bioregions: s SCo, PR

California counties: Riverside, San Diego, Orange, Los Angeles, Alameda

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.