Taxon Details
Malacothamnus fasciculatus var. nesioticus
Santa Cruz Island bushmallow
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© 2009 Gary A. Monroe |
© 2014 Steve Matson |
© 2014 Steve Matson |
Taxon Summary:
Malacothamnus fasciculatus var. nesioticus, commonly known as Santa Cruz Island bushmallow, is a perennial deciduous shrub in the Malvaceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 15 to 210 meters. Malacothamnus fasciculatus var. nesioticus is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Malacothamnus fasciculatus (T. & G.) Greene var. nesioticus (Rob.) Kearn. |
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Common Name: Santa Cruz Island bushmallow |
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| Family: | Malvaceae | |
| Element Code: | PDMAL0Q061 | |
| USDA Plants Symbol: | ||
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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: | 1B.1 |
| Fed List: | FE (1997-07-31) |
| State List: | CE (1979-11-01) |
| Global Rank: | G4T1 |
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State Rank: |
S1 |
| Other Status: | SB_SBBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-06-04 |
| Lifeform: perennial deciduous shrub | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
15 - 210 meters 50 - 690 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Occurrences small. Reintroduction work ongoing as of 1996. |
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Threats: Threatened by erosion and non-native plants. Occurrence near Christi Ranch fenced, and Central Valley occurrence appears inaccessible to feral pigs. |
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Taxonomy: A synonym of M. fasciculatus in The Jepson Manual, but recent unpublished molecular taxonomic work demonstrates taxon is distinct. |
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 6 | 75 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 5 | 62% |
| Other | 3 | 37% |
| Erosion/runoff | 2 | 25% |
| Improper burning regime | 2 | 25% |
| Total Occurrences: | 8 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 4 | 4 | 0 | 0 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 1 | ||||
| Recent <=20 Years | 7 | ||||
| Presence: | |||||
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| Presumed Extant | 8 | ||||
| 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) Santa Barbara (SBA) |
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Quads: Name (Quad Code) Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985) |
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Notes:
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Presumed Extant
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