Taxon Details
Calystegia subacaulis ssp. episcopalis
Cambria morning-glory
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Taxon Summary:
Calystegia subacaulis ssp. episcopalis, commonly known as Cambria morning-glory, is a perennial rhizomatous herb in the Convolvulaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Coastal prairie, and Valley and foothill grassland, growing at elevations from 30 to 500 meters. Calystegia subacaulis ssp. episcopalis is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.|
Scientific Name: Calystegia subacaulis Hook. & Arn. ssp. episcopalis Brummitt |
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Common Name: Cambria morning-glory |
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| Family: | Convolvulaceae | |
| Element Code: | PDCON040J1 | |
| USDA Plants Symbol: | CASUE | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 4.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3T2? |
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State Rank: |
S2? |
| Other Status: | |
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CRPR Changes: changed from 1B.2 to 4.2 on 2011-06-29 |
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| Add Date: | 1988-01-01 |
| Date Edited: | 2023-06-06 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: (Mar)Apr-Jun(Jul)
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Elevation:
30 - 500 meters 100 - 1640 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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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. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 11 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 22 | 88 % |
| THREAT LIST: | ||
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| Grazing | 12 | 48% |
| Development | 11 | 44% |
| Non-native plant impacts | 11 | 44% |
| Military operations | 9 | 36% |
| Feral pigs | 8 | 32% |
| Improper burning regime | 7 | 28% |
| Other | 6 | 24% |
| Recreational use (non-ORV) | 1 | 4% |
| Road/trail construction/maint. | 1 | 4% |
| Foot traffic/trampling | 1 | 4% |
| Erosion/runoff | 1 | 4% |
| Total Occurrences: | 25 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 5 | 12 | 1 | 0 | 4 |
| Occurrence Status: | |||||
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| Historical >20 Years | 24 | ||||
| Recent <=20 Years | 1 | ||||
| Presence: | |||||
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| Presumed Extant | 25 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) San Luis Obispo (SLO) |
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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) |
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Notes:
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Presumed Extant
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