Species Details

Streptanthus albidus ssp. peramoenus

most beautiful jewelflower

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Photo by © 1994 Robert E. Preston, Ph.D.  max-height:128px; max-width:145px;
© 1994 Robert E. Preston, Ph.D.
Scientific Name:
Streptanthus albidus Greene ssp. peramoenus (Greene) Kruckeberg
Common Name:
most beautiful jewelflower
Family: Brassicaceae
Element Code: PDBRA2G012
USDA Plants Symbol: STALP
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2T2
State Rank:
Other Status:
CRPR Changes:
changed from 1B.2 to 1B.2 on 2012-05-09
Add Date: 1988-01-01
Date Edited: 2022-05-12
Lifeform: annual herb
Blooming Period: (Mar)Apr-Sep(Oct)
95 - 1000 meters
310 - 3280 feet
General Habitat:
  • Chaparral
  • Cismontane woodland
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Serpentinite
Historical occurrences need field surveys. Threatened by development, non-native plants, and grazing. Possibly threatened by dam maintenance, road construction and maintenance, and recreational activities. Similar plants from MNT and SLO counties may be S. glandulosus ssp. glandulosus; see this name in TJM 2; further study is underway to determine its relationship to the S. glandulosus complex. See Bulletin of the Torrey Botanical Club 13(1):142 (1886) for original description, and MadroƱo 14(7):217-227 (1958) for taxonomic treatment.
Total Occurrences: 103
Element Occurrence Ranks:
11 37 6 3 0 46
Occurrence Status:
Historical >20 Years 46
Recent <=20 Years 57
Presumed Extant 103
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA), Contra Costa (CCA), Monterey (MNT), San Luis Obispo (SLO), Santa Clara (SCL)
Quads: Name (Quad Code)
Alder Peak (3512183), Atascadero (3512046), Burnett Peak (3512172), Burro Mountain (3512173), Calaveras Reservoir (3712147), Cambria (3512151)?, Cape San Martin (3512184), Chittenden (3612185), Clayton (3712188), Cone Peak (3612114), Cypress Mountain (3512058)?, Gilroy (3712115), Hayward (3712261), La Costa Valley (3712157), Las Trampas Ridge (3712271), Lopez Mtn. (3512035), Lopez Point (3612115), Los Gatos (3712128), Morgan Hill (3712126), Morro Bay North (3512047), Morro Bay South (3512037)?, Mt. Madonna (3712116), Mt. Sizer (3712125), Niles (3712158), Oakland East (3712272), Pebblestone Shut-in (3512161), Piedras Blancas (3512163)?, Port San Luis (3512027), San Leandro (3712262), San Luis Obispo (3512036), San Simeon (3512162), Santa Margarita Lake (3512034), Santa Teresa Hills (3712127)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.


Presumed Extant
Counties   Quads