Species Details

Calystegia purpurata ssp. saxicola

coastal bluff morning-glory

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Scientific Name:
Calystegia purpurata (Greene) Brummitt ssp. saxicola (Eastw.) Brummitt
Common Name:
coastal bluff morning-glory
Family: Convolvulaceae
Element Code: PDCON040D2
USDA Plants Symbol: CAPUS
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: (Mar)Apr-Sep
JFMAMJJASOND
Elevation:
0 - 105 meters
0 - 345 feet
General Habitats:
  • Coastal bluff scrub
  • Coastal dunes
  • Coastal scrub
  • North Coast coniferous forest
Microhabitat Details:
Microhabitat:
Notes:
Threatened by development, foot traffic, and non-native plants. See Bulletin of the Torrey Botanical Club 30(9):495 (1903) for original description, and Annals of the Missouri Botanical Garden 52(2):214 (1965) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 20 48 %
THREAT LIST:
Non-native plant impacts 10 23%
Road/trail construction/maint. 6 14%
Foot traffic/trampling 5 11%
Grazing 5 11%
Development 4 9%
Total Occurrences: 42
Element Occurrence Ranks:
A B C D X U
3 11 7 1 0 20
Occurrence Status:
Historical >20 Years 15
Recent <=20 Years 27
Presence:
Presumed Extant 42
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Contra Costa (CCA), Marin (MRN), Mendocino (MEN), Sonoma (SON)
Quads: Name (Quad Code)
Albion (3912327), Arched Rock (3812342), Bodega Head (3812331), Drakes Bay (3812218), Duncans Mills (3812341), Fort Bragg (3912347), Gualala (3812375), Mendocino (3912337), Plantation (3812353), Point Arena (3812386), Point Bonita (3712275), Richmond (3712283)?, Saunders Reef (3812376), Stewarts Point (3812364), Tomales (3812228), Valley Ford (3812238)
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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