Species Details

Tetracoccus dioicus

Parry's tetracoccus

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Scientific Name:
Tetracoccus dioicus Parry
Common Name:
Parry's tetracoccus
Family: Picrodendraceae
Element Code: PDEUP1C010
USDA Plants Symbol: TEDI
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2G3
State Rank:
S2
Other Status: BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: perennial deciduous shrub
Blooming Period: Apr-May
JFMAMJJASOND
Elevation:
165 - 1000 meters
540 - 3280 feet
General Habitats:
  • Chaparral
  • Coastal scrub
Microhabitat Details:
Microhabitat:
Notes:
Threatened by agriculture and development. See West American Scientist 1:13 (1885) for original description, and Rhodora 56:50-52 (1954) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 9
Total EOs % of EOs
EOs with Threat Listed: 21 43 %
THREAT LIST:
Development 16 32%
Agriculture 4 8%
Non-native plant impacts 3 6%
ORV activity 3 6%
Road/trail construction/maint. 2 4%
Total Occurrences: 49
Element Occurrence Ranks:
A B C D X U
4 8 4 0 1 32
Occurrence Status:
Historical >20 Years 32
Recent <=20 Years 17
Presence:
Presumed Extant 48
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Orange (ORA), Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Bonsall (3311732), Dulzura (3211667), El Cajon Mtn. (3211687), Fallbrook (3311743), Imperial Beach (3211751), Jacumba (3211662), Jamul Mountains (3211668), Morro Hill (3311733), National City (3211761), Otay Mesa (3211658), Otay Mountain (3211657), Pala (3311731), Pechanga (3311741), Potrero (3211655), Ramona (3311617), San Marcos (3311722), San Vicente Reservoir (3211688), Sitton Peak (3311754), Tecate (3211656), Temecula (3311742), Vail Lake (3311648)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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