Taxon Details
Calystegia collina ssp. oxyphylla
Mt. Saint Helena morning-glory
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Taxon Summary:
Calystegia collina ssp. oxyphylla, commonly known as Mt. Saint Helena morning-glory, is a perennial rhizomatous herb in the Convolvulaceae that is found only in California. It occurs within Chaparral, Lower montane coniferous forest, and Valley and foothill grassland, growing at elevations from 279 to 1010 meters. Calystegia collina ssp. oxyphylla is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.|
Scientific Name: Calystegia collina (Greene) Brummitt ssp. oxyphylla Brummitt |
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Common Name: Mt. Saint Helena morning-glory |
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| Family: | Convolvulaceae | |
| Element Code: | PDCON04032 | |
| USDA Plants Symbol: | CACOO | |
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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: | G4T3 |
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State Rank: |
S3 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1984-01-01 |
| Date Edited: | 2021-10-04 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Jun
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Elevation:
279 - 1010 meters 915 - 3315 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 33 % |
| THREAT LIST: | ||
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| Foot traffic/trampling | 2 | 22% |
| Road/trail construction/maint. | 2 | 22% |
| Vandalism/dumping/litter | 1 | 11% |
| Erosion/runoff | 1 | 11% |
| Total Occurrences: | 9 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 2 | 0 | 0 | 0 | 5 |
| Occurrence Status: | |||||
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| Historical >20 Years | 9 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 9 | ||||
| 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) Colusa (COL), Lake (LAK), Marin (MRN), Mendocino (MEN), Napa (NAP), San Benito (SBT), Sonoma (SON) |
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Quads: Name (Quad Code) Aetna Springs (3812264), Annapolis (3812363), Bartlett Springs (3912226), Cazadero (3812351), Chiles Valley (3812253), Cloverdale (3812371), Detert Reservoir (3812265), Duncans Mills (3812341), Fort Ross (3812352), Highland Springs (3812288), Hopland (3812381), Hough Springs (3912225), Jimtown (3812267), Kenwood (3812245), Leesville (3912224), Mark West Springs (3812256), Middletown (3812275), Mount St. Helena (3812266), San Benito Mtn. (3612036), San Rafael (3712285), The Geysers (3812277), Warm Springs Dam (3812361), Whispering Pines (3812276), Wilbur Springs (3912214) |
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Notes:
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Presumed Extant
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