Species Details
Hesperocyparis abramsiana var. abramsiana
Santa Cruz cypress
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Species Description:
Hesperocyparis abramsiana var. abramsiana, commonly known as Santa Cruz cypress, is a perennial evergreen tree in the Cupressaceae that is found only in California. It occurs within Chaparral, Closed-cone coniferous forest, and Lower montane coniferous forest, growing at elevations from 280 to 800 meters. Hesperocyparis abramsiana var. abramsiana is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.
Scientific Name: Hesperocyparis abramsiana (C.B. Wolf) Bartel var. abramsiana |
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Common Name: Santa Cruz cypress |
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Family: | Cupressaceae | |
Element Code: | PGCUP04081 | |
USDA Plants Symbol: | HEABA | |
Synonyms/Other Names: |
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Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
CA Rare Plant Rank: | 1B.2 |
Fed List: | FT (2016-03-21) |
State List: | CE (1979-11-01) |
Global Rank: | G1T1 |
State Rank: |
S1 |
Other Status: | SB_CalBG/RSABG; SB_UCSC |
CRPR Changes: |
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Add Date: | 1974-01-01 |
Date Edited: | 2023-05-02 |
Lifeform: perennial evergreen tree | ||||||||||||||
Blooming Period:
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Elevation:
280 - 800 meters 920 - 2625 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Known only from the Santa Cruz Mtns. Threatened by development, agriculture, alteration of fire regimes, and introgression from planted H. macrocarpa and H glabra. See Cupressus abramsiana in The Jepson Manual (1993); USFWS also uses this name. See Aliso 1:215-222 (1948) for original description, Madroño 2(4):189-194 (1952) for distributional information, and Phytologia 91(1):160-185 and 91(2):287-299 (2009) for taxonomic treatments. |
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Threats: |
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Taxonomy: |
Threat List Total: | 13 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 5 | 71 % |
THREAT LIST: | ||
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Logging | 4 | 57% |
Non-native plant impacts | 3 | 42% |
Development | 3 | 42% |
Improper burning regime | 3 | 42% |
Wood cutting or brush clearing | 2 | 28% |
Road/trail construction/maint. | 2 | 28% |
Hybridization | 2 | 28% |
Other | 2 | 28% |
Recreational use (non-ORV) | 1 | 14% |
ORV activity | 1 | 14% |
Agriculture | 1 | 14% |
Erosion/runoff | 1 | 14% |
Vandalism/dumping/litter | 1 | 14% |
Total Occurrences: | 7 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 3 | 0 | 1 | 0 | 3 |
Occurrence Status: | |||||
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Historical >20 Years | 2 | ||||
Recent <=20 Years | 5 |
Presence: | |||||
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Presumed Extant | 7 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Santa Cruz (SCR) |
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Quads: Name (Quad Code) Big Basin (3712222), Davenport (3712212), Felton (3712211) |
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Notes:
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Presumed Extant
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