Species Details

Calystegia subacaulis ssp. episcopalis

Cambria morning-glory

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Classification

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:

Conservation Status

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:	2021-10-04

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: (Mar)Apr-Jun(Jul)
Elevation: 30 - 500 meters 100 - 1640 feet
General Habitat: Chaparral Cismontane woodland Coastal prairie Valley and foothill grassland
General Micro Habitat:
Micro Habitat: Clay (usually)

Notes

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:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
3	5	12	1	0	4

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	15

Presence:
Presumed Extant	25
Possibly Extirpated	0
Presumed Extirpated	0

Location

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), 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.

Regional Map

Map

Presumed Extant

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Counties Quads

Selected References

CNPS Status Review:

CRPR List Change on 2011-06-29