Tecate Cypress / Center For Plant Conservation
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Plant Profile

Tecate Cypress (Hesperocyparis forbesii)

Photo Credit: Damien Lasater @ San Diego Zoo
  • Global Rank: G2 - Imperiled
  • Legal Status: N/A
  • Family: Cupressaceae
  • State: CA
  • Nature Serve ID: 131138
  • Lifeform: Tree
  • Categories of Interest: Conifers
  • Date Inducted in National Collection: 01/17/2019
Description:

Where is Tecate Cypress (Hesperocyparis forbesii) located in the wild?

States & Provinces:

Tecate Cypress can be found in California

Which CPC Partners conserve Tecate Cypress (Hesperocyparis forbesii)?

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

Joe Davitt
  • 03/07/2022
  • Conservation Grove

San Diego Zoo Wildlife Alliance helped to establish and manage a conservation grove of Tecate cypress at the Rancho Jamul Ecological Reserve beginning in 2012. Seed was collected from the Otay Mountain population, grown in screen houses at the San Diego Zoo Safari Park in Escondido, and then 500 trees were planted in a large plot at Rancho Jamul. Over the first 4 years, trees were watered monthly during late spring and summer, and dead seedlings were replaced. By 2017, roughly 450 trees were established and the grove was largely self-sustaining. In 2021, we checked on the grove and found some large trees nearly 9 feet tall that were already producing male and female cones. 

Joe Davitt
  • 03/07/2022
  • Orthodox Seed Banking

In 2021, San Diego Zoo Wildlife Alliance recollected seed from a section of the Otay Mountain population as part of an IMLS-funded seed longevity experiment. We collected 5 to 6 mature, closed cones from 57 different trees. The seed accession has a total of about 19,000 seeds. Cones were soaked in water that was just below boiling and allowed to cool to room temperature. The heat loosens or melts the resinous seal in between the cone segments and allowed us to rub and pop the segments open using pliers, releasing the seeds within. 

Center for Plant Conservation
  • 08/18/2021
  • Orthodox Seed Banking

In 2021, CPC contracted the San Diego Zoo Wildlife Alliance to recollect seed from a population currently held in long term orthodox seed storage as part of an IMLS-funded seed longevity experiment. The National Laboratory for Genetic Resources Preservation will evaluate how germination tested viability and RNA Integrity of seed lots decline over time in storage.

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, University of California-Santa Cruz Arboretum & Botanic Garden holds 1 accessions of Hesperocyparis forbesii in orthodox seed collection. We are uncertain as to how many total seeds are in this collection.

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, San Diego Zoo Global holds 4 accessions of Hesperocyparis forbesii in orthodox seed collection. We are uncertain as to how many total seeds are in this collection.

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 12 accessions of Hesperocyparis forbesii in orthodox seed collection. There are as many as 89081 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-Santa Cruz Arboretum & Botanic Garden has collected 1 seed accessions of Hesperocyparis forbesii from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass an unknown number of maternal plants

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, San Diego Zoo Global has collected 4 seed accessions of Hesperocyparis forbesii from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 50 maternal plants

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, California Botanic Garden has collected 6 seed accessions of Hesperocyparis forbesii from 2 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 92 maternal plants

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Nomenclature
Taxon Hesperocyparis forbesii
Authority (Jeps.) Bartel
Family Cupressaceae
CPC Number 9739
ITIS
USDA HEFO10
Duration Perennial
Common Names Tecate Cypress
Associated Scientific Names Cupressus forbesii | Callitropsis forbesii | Hesperocyparis forbesii | Cupressus guadalupensis var. forbesii | Cupressus guadalupensis ssp. forbesii | Neocupressus guadalupensis var. forbesii
Distribution
State Rank
State State Rank
California S2
Ecological Relationships

Photos

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