CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18jan 1-22-18
Status: record streptanthus_glandulosus_ssp._niger - Wed, Feb. 21, 2018 22:02 ET c
Streptanthus glandulosus ssp. niger
common nameTiburon jewelflower
CalPhotos image
No image is currently registered in our database. Users can help us by checking CalPhotos for recent additions, and then contacting us if any are found.
life formannual herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G4T1      ranking system key
CA state listingEndangered  02/90
federal listingEndangered  02/03/95
where found
MAPS - Use v8 link below.

Topographic quads (1):
San Quentin (466B) 3712284
quad data info

Counties, states, regions:
Marin (MRN)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Valley and foothill grassland (VFGrs)(serpentinite)
blooming period May-Jun  
elevation range30 - 150 meters
Known from only two occurrences on the Tiburon Peninsula. Threatened by road construction, trampling, foot traffic, non-native plants, and development. See Bulletin of the Torrey Botanical Club 13:141 (1886) for original description, Madroņo 14(7):217-227 (1958) for taxonomic treatment, and Systematic Botany 19(4):557-574 (1994) for discussion of S. glandulosus complex.
full nameStreptanthus glandulosus Hook. ssp. niger (Greene) Al-Shehbaz et al.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDBRA2G0T0
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18jan). California Native Plant Society. Sacramento, CA. Accessed on Wed, Feb. 21, 2018 from

pick and add to Plant Pressexplain the meaning of the fieldsCNPS.ORGQuestions and CommentsHOMELOGIN (you are guest anonymous)   Web Oriented Database Home