Grindelia hallii

San diego gumplant, San Diego Gumplant

Family: Asteraceae · Type: perennial · Native

Conservation status: CNPS 1B.2

San diego gumplant is a rare (CNPS 1B.2) California native perennial found in the Peninsular Ranges of San Diego County in meadows, dry slopes, and open pine/oak woodland at elevations of 800 to 1,700 meters. Flowering from July to October, this plant produces yellow flowers in hemispheric heads 7 to 10 millimeters in diameter with 12 to 20 ray flowers. Growing with erect, openly branched stems 20 to 60 centimeters tall, it develops a distinctive resinous foliage. Its leaves range from basal rosette to smaller lance-ovate forms, with yellow-green blades that are serrate and glabrous. The fruit is tan to brown, truncate with small triangular projections, topped with two pappus awns.

Habitat: Meadows, dry slopes, open pine/oak woodland

Bloom period: Jul-Oct

Elevation: 800-1700 m

Bioregions: PR (San Diego Co.).

California counties: San Diego

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