CPC Plant Profile: Tiburon Jewelflower
Search / Plant Profile / Streptanthus glandulosus ssp. niger
Plant Profile

Tiburon Jewelflower (Streptanthus glandulosus ssp. niger)

Description
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Endangered
  • Family: Brassicaceae
  • State: CA
  • Nature Serve ID: 141649
  • Date Inducted in National Collection: 09/18/2021

annual herb

Participating Institutions
Updates
  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, University of California Botanical Garden holds 4 accessions of Streptanthus glandulosus subsp. niger in orthodox seed collection. There are as many as 7316 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 3 accessions of Streptanthus glandulosus subsp. niger in orthodox seed collection. There are as many as 28817 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, University of California Botanical Garden has collected 4 seed accessions of Streptanthus glandulosus subsp. niger from 3 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 66 maternal plants

  • 01/01/2010

residential development, pedestrian traffic, urbanization, invasion of non-natives and road construction

  • 01/01/2010

2 populations on the Tiburon Peninsula of Marin Co.

MORE

Be the first to post an update!

Photos
Nomenclature
Taxon Streptanthus glandulosus ssp. niger
Authority (Greene) Al-Shehbaz, M.S. Mayer & D.W. Taylor
Family Brassicaceae
CPC Number 4152
ITIS 823334
USDA STGLN
Common Names Tiburon Jewelflower
Associated Scientific Names Streptanthus niger | Streptanthus glandulosus ssp. niger | Streptanthus glandulosus var. niger | Euclisia nigra
Distribution NA
State Rank
State State Rank
California S1
Habitat

shallow rocky serpentine soils on slopes of the southern Tiburon Peninsula at elevations of approximately 350 ft.

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID

Donate to CPC to Save this Species

Fall fundraising drive has begun! We're looking for 2,500 people to protect our planet. With you by our side, we will build a future where people live in harmony with nature. Come help and become a CPC donor today.

Donate Today