Species Details
Dudleya chasmophyta
Santiago Canyon dudleya
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Species Description:
Dudleya chasmophyta, commonly known as Santiago Canyon dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 475 to 515 meters. Dudleya chasmophyta is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Dudleya chasmophyta S. McCabe |
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Common Name: Santiago Canyon dudleya |
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| Family: | Crassulaceae | |
| Element Code: | PDCRA04150 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: added to 1B.1 on 2024-09-04 |
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| Add Date: | 2024-08-28 |
| Date Edited: | 2024-12-03 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Jun
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Elevation:
475 - 515 meters 1560 - 1690 feet |
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General Habitats:
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| Microhabitat Details: Steep cliffs of conglomerate rock. | ||||||||||||||
Microhabitat:
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Notes: |
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Threats: Potentially threatened by fire, erosion, herbivores, horticultural collecting, and loss of pollinators. |
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Taxonomy: Formerly included in D. cymosa ssp. ovatifolia. Distinguished from that taxon by range, peduncle bracts not strongly reflexed, abaxial leaf surfaces green to green-brown, corolla lobes spreading distally, flower throats not constricted or only slightly so, and flower buds broader in the middle. Other similar taxa, D. cymosa sspp. crebrifolia and marcescens, are allopatric. |
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| Threat List Total: | 0 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 0 | 0 % |
| THREAT LIST: | ||
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| Total Occurrences: | 0 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 0 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 0 | ||||
| Presence: | |||||
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| Presumed Extant | 0 | ||||
| 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) |
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Quads: Name (Quad Code) |
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Notes:
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Map
Location Data is Forthcoming from the CNDDB
Presumed Extant
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