Species Details

Calystegia subacaulis ssp. episcopalis

Cambria morning-glory

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Scientific Name:
Calystegia subacaulis Hook. & Arn. ssp. episcopalis Brummitt
Common Name:
Cambria morning-glory
Family: Convolvulaceae
Element Code: PDCON040J1
USDA Plants Symbol: CASUE
Synonyms/Other Names:
CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G3T2?
State Rank:
S2?
Other Status:
CRPR Changes:
changed from 1B.2 to 4.2 on 2011-06-29
Add Date: 1988-01-01
Date Edited: 2023-06-06
Lifeform: perennial rhizomatous herb
Blooming Period: (Mar)Apr-Jun(Jul)
JFMAMJJASOND
Elevation:
30 - 500 meters
100 - 1640 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Coastal prairie
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Clay (usually)
Notes:
Threatened by development. Possibly threatened by alteration of fire regimes, feral pigs, grazing, mining, trampling, military activities, non-native plants, vehicles, and pipeline construction. Potentially threatened by foot traffic. Intergrades with C. collina ssp. venusta. See Kew Bulletin 35(2):327 (1980) for original description.
Threats:
Taxonomy:
Threat List Total: 11
Total EOs % of EOs
EOs with Threat Listed: 22 88 %
THREAT LIST:
Grazing 12 48%
Development 11 44%
Non-native plant impacts 11 44%
Military operations 9 36%
Feral pigs 8 32%
Total Occurrences: 25
Element Occurrence Ranks:
A B C D X U
3 5 12 1 0 4
Occurrence Status:
Historical >20 Years 21
Recent <=20 Years 4
Presence:
Presumed Extant 25
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Luis Obispo (SLO)
Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Cambria (3512151), Cayucos (3512048), Lopez Mtn. (3512035), Morro Bay North (3512047), Morro Bay South (3512037), Nipomo (3512014), Pico Creek (3512152), Piedras Blancas (3512163), Pismo Beach (3512026), Port San Luis (3512027), San Luis Obispo (3512036)
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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