Taxon Report
Lewisia cotyledon (Wats.) Rob. var. howellii (Wats.) Jeps.Howell's lewisia |
 © 2021 Scot Loring |
Taxon Summary
Lewisia cotyledon var. howellii, commonly known as Howell's lewisia, is a perennial herb in the Montiaceae that is found in California and elsewhere. It occurs within Broadleafed upland forest, Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 150 to 2010 meters. Lewisia cotyledon var. howellii is ranked 3.2, Plants About Which We Need More Information, A Review List; Moderately threatened in California.Classification
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Scientific Name: |
Lewisia cotyledon (Wats.) Rob. var. howellii (Wats.) Jeps. |
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Common Name: |
Howell's lewisia |
| Family: | Montiaceae |
| Element Code: | PDPOR04053 |
| USDA Plants Symbol: | LECOH2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 150-2010 (490-6595) |
| General Habitats: | Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest |
| Microhabitat: | Rocky |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 3.2 |
| Global Rank: | G4T4Q |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Humboldt (HUM), Shasta (SHA), Siskiyou (SIS), Trinity (TRI) | |
| Quads: Name (Quad Code) | |
| Badger Mtn. (4112276), Bear Peak (4112365), Bollibokka Mtn. (4012282), Boulder Peak (4112351), Buckhorn Bally (4112287), Bully Choop Mtn. (4012257), Chanchelulla Peak (4012248), Chimney Rock (4112356), Clear Creek (4112364), Condrey Mtn. (4112288), Dillon Mtn. (4112355), Dutch Creek (4112381), Eaton Peak (4112238), Figurehead Mtn. (4112383), Grider Valley (4112362), Hamburg (4112371), Happy Camp (4112374), Hoopa (4112316), Hoosimbim Mtn. (4012258), Hopkins Butte (4112325), Horse Creek (4112278), Huckleberry Mtn. (4112363), Indian Creek Baldy (4112267), Ironside Mtn. (4012374), Kangaroo Mtn. (4112382), Lake McCloud (4112221), McKinley Mtn. (4112277), Minnesota Mtn. (4012272), Orleans (4112335), Orleans Mtn. (4112334), Preston Peak (4112375), Salmon Mtn. (4112324), Sawyers Bar (4112332), Scott Bar (4112361), Seiad Valley (4112372), Shoeinhorse Mtn. (4112211), Slater Butte (4112373), Somes Bar (4112344), Ukonom Mtn. (4112354), Weitchpec (4112326), Whisky Bill Peak (4112215), Yellowjacket Mtn. (4112212), Yreka (4112266) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Selected References
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Proceedings of the American Academy of Arts and Sciences 23:262 (1888) |
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A Flora of California 1(5): 479. 1914[1915] |
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Lewisia cotyledon var. howellii profile for potential Species of Conservation Concern evaluation (2018) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].