Taxon Details
Malacothamnus jonesii var. jonesii
Jones's bushmallow
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© 2017 Keir Morse |
© 2017 Keir Morse |
© 2017 Keir Morse |
Taxon Summary:
Malacothamnus jonesii var. jonesii, commonly known as Jones's bushmallow, is a perennial deciduous shrub in the Malvaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 175 to 505 meters. Malacothamnus jonesii var. jonesii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Malacothamnus jonesii (Munz) Kearn. var. jonesii |
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Common Name: Jones's bushmallow |
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| Family: | Malvaceae | |
| Element Code: | PDMAL0Q0N1 | |
| 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.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4TNR |
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State Rank: |
S2S3 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: changed from 4.3 to 4.3 on 2014-07-16 changed from 4.3 to 1B.2 on 2024-09-12 |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2025-06-03 |
| Lifeform: perennial deciduous shrub | ||||||||||||||
Blooming Period: (Mar)Apr-May(Jun)
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Elevation:
175 - 505 meters 575 - 1655 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: |
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Threats: Potentially threatened by nonnative plants, alteration of fire regimes, development, and hybridization with other Malacothamnus taxa. |
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Taxonomy: Formerly included M. niveus. Malacothamnus niveus and M. gracilis are now treated as varieties of M. jonesii. M. jonesii var. jonesii is differentiated from vars. gracilis and niveus by the combination of calyx hair branch length (less than or equal to 0.4 mm) and spike-like inflorescences. Intergrades with M. jonesii var. niveus near Atascadero. |
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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: | |||||
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| 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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