Dudleya abramsii subsp. affinis
San bernardino mountains dudleya, San Bernardino Mountains Dudleya
Photo: parent species Dudleya abramsii · Photo by Chez Brungraber
Family: Crassulaceae · Type: Herb · Native
Conservation status: CNPS 1B.2
Dudleya abramsii subsp. affinis (San bernardino mountains dudleya) is a native California herb in the Crassulaceae family, recognized by high elevation and leaf base color diagnostic.
San bernardino mountains dudleya is a rare (CNPS 1B.2) California native perennial found in the San Bernardino Mountains on rocky granitic or quartzite outcrops at elevations of 1,800 to 2,600 meters. Flowering from May to July, this succulent produces pale yellow to cream-colored flowers with red-lined keel petals in compact clusters. Growing in small rosettes 3 to 6 centimeters wide with stems 10 to 15 millimeters thick, it forms tight clusters of fleshy leaves. Its thick leaves are 2 to 4 centimeters long and 7 to 15 millimeters wide, elliptic to oblanceolate in shape, with a base that is generally not marked with purple-red coloration. The flower clusters emerge on peduncles 3 to 8 centimeters long, typically with 2 to 3 ascending branches bearing up to 8 flowers.
Identification and appearance
Key characters: 7 sympatric species, high elevation and leaf base color diagnostic
Habitat and range
Habitat: Outcrops, granitic or quartzite, rarely limestone
Elevation: 1800-2600 m
California counties: San Bernardino, Riverside
Bloom period
Dudleya abramsii subsp. affinis blooms May-Jul.
Conservation status
CNPS 1B.2
How to tell it apart
vs Curio: Dudleya has thick succulent leaves in rosettes; Curio has thin, cylindrical or string-like leaves.; vs Echeveria: Dudleya flower stalks emerge from leaf axils; Echeveria flowers emerge from rosette center.; vs Sedum: Dudleya forms distinct basal rosettes; Sedum grows as spreading mats or upright stems without rosettes.; vs Aeonium: Dudleya has smooth leaf edges; Aeonium has tiny hairs along leaf margins.; vs Carpobrotus: Dudleya has rosettes under 30cm; Carpobrotus has sprawling succulent stems over 1m long.
Frequently asked questions
Is Dudleya abramsii subsp. affinis native to California?
Yes. Dudleya abramsii subsp. affinis is native to California (recorded as native).
When does Dudleya abramsii subsp. affinis bloom?
Dudleya abramsii subsp. affinis blooms May-Jul.
Where in California does Dudleya abramsii subsp. affinis grow?
Dudleya abramsii subsp. affinis occurs in San Bernardino, Riverside, at elevations of 1800-2600 m.
What plant family does Dudleya abramsii subsp. affinis belong to?
Dudleya abramsii subsp. affinis is in the Crassulaceae family, genus Dudleya.
Is Dudleya abramsii subsp. affinis rare or endangered?
Dudleya abramsii subsp. affinis carries California Rare Plant Rank 1B.2, state rank S2.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CNPS Rare Plant Inventory · Index of California Plant Names · CalPhotos · CDFW CNDDB
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.