Ravenella griffinii
Griffin's bellflower
(c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda · licence
Family: Campanulaceae · Type: Herb · Native
Ravenella griffinii (Griffin's bellflower) is a native California herb in the Campanulaceae family, recognized by small white cylindric corolla and short pedicels.
Griffin's bellflower is a California native annual found in northern Coast Ranges, San Francisco Bay Area, and northern Santa Cruz Mountains in chaparral and serpentine soil at elevations of 30 to 1,400 meters. Flowering from May to June, this delicate plant produces small white flowers with spreading lobes, clustered on short stems. Growing with erect stems 2 to 20 centimeters tall, it has a compact and slender form with minimal branching. Its leaves are narrow and leathery, measuring 2 to 9 millimeters long, with fine serrated edges that give the plant a distinctive texture. The fruit is oblong with strong ribs, featuring small pores near its center.
Identification and appearance
Key characters: 3 sympatric species; distinguished by small white cylindric corolla and short pedicels
Habitat and range
Habitat: Chaparral, serpentine soil
Elevation: 30-1400 m
California counties: Marin, San Luis Obispo, Stanislaus, San Benito, Monterey, Tehama, Colusa, Napa, Contra Costa, Sonoma, Lake, San Mateo, San Bernardino
Bloom period
Ravenella griffinii blooms May-Jun.
Frequently asked questions
Is Ravenella griffinii native to California?
Yes. Ravenella griffinii is native to California (recorded as native).
When does Ravenella griffinii bloom?
Ravenella griffinii blooms May-Jun.
Where in California does Ravenella griffinii grow?
Ravenella griffinii occurs in Marin, San Luis Obispo, Stanislaus, San Benito, Monterey, Tehama, Colusa, Napa and other counties, at elevations of 30-1400 m.
What plant family does Ravenella griffinii belong to?
Ravenella griffinii is in the Campanulaceae family, genus Ravenella.
What habitat does Ravenella griffinii grow in?
Ravenella griffinii grows in Chaparral, serpentine soil.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · Index of California Plant Names · CalPhotos
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.