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Plant Profile

Santa Barbara Island Dudleya (Dudleya traskiae)

Photo Credit: Cal Native Plant Society
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Endangered
  • Family: Crassulaceae
  • State: CA
  • Nature Serve ID: 144125
  • Lifeform: Forb/herb
  • Categories of Interest: Cacti/Succulents
  • Date Inducted in National Collection: 03/08/1989

Dudleya traskiae is a rare succulent plant known by the common name Santa Barbara Island liveforever. The plant has a basal rosette of flat, spade-shaped fleshy leaves up to 15 centimeters long, which are pale green to yellowish. It erects tall stems bearing dense, rounded flower clusters of many bright yellow flowers. Dudleya traskiae is a perennial succulent herb with foliage leaves in a basal rosette. The plants are evergreen, with a branched primary stem (caudex) and are composed of one to several hundred rosettes. The branching of the stem is dichotomous. The rosette leaves number 25-35, are strap-shaped - oblance-shaped to subacuminate and are 4-15 centimeter long and 1-4 centimeter wide. Leaves may be green or waxy pale with a waxy covering. The flowering stems are axillary and flowering is indeterminate in paniculate or cymose clusters. The petals (5) are bright yellow, often with red veins, fused below and curving outward in the upper half. Stamens (10) are borne on the corolla tube. The fruit is composed of 5 carpels that are spreading in age, 7-8 millimeter long. Seeds are many and minute, narrow and pointed. Flowering occurs from February-July. [Calscape]

Where is Santa Barbara Island Dudleya (Dudleya traskiae) located in the wild?


Dudleya traskiae is endemic to Santa Barbara Island, one of the Channel Islands of California, where it grows on rocky bluffs.


Although this species can be found in many nurseries, there are 3 specimens of Dudleya traskiae known to exist naturally on Santa Barbara Island off the coast of California. [CNPS]

States & Provinces:

Santa Barbara Island Dudleya can be found in California

Which CPC Partners conserve Santa Barbara Island Dudleya (Dudleya traskiae)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Nature Serve Biotics
  • 05/02/2017

Known from 10 locations on Santa Barbara Island, less than 100 individuals.

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Taxon Dudleya traskiae
Authority (Rose) Moran
Family Crassulaceae
CPC Number 1531
ITIS 195813
Duration Perennial
Common Names Santa Barbara Island Dudleya | Santa Barbara Island Liveforever
Associated Scientific Names Dudleya traskiae | Dudleya traskae | Stylophyllum traskiae | Echeveria traskae | Cotyledon traskiae
Distribution Although this species can be found in many nurseries, there are 3 specimens of Dudleya traskiae known to exist naturally on Santa Barbara Island off the coast of California. [CNPS]
State Rank
State State Rank
California S1
Ecological Relationships


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