Species Details

Lewisia cotyledon var. howellii

Howell's lewisia

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Photo of Lewisia cotyledon var. howellii
© 2021 Scot Loring
Photo of Lewisia cotyledon var. howellii
© 2004 Norman Jensen
Photo of Lewisia cotyledon var. howellii
©2021 Scot Loring
Scientific Name:
Lewisia cotyledon (Wats.) Rob. var. howellii (Wats.) Jeps.
Common Name:
Howell's lewisia
Family: Montiaceae
Element Code: PDPOR04053
USDA Plants Symbol: LECOH2
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Apr-Jul
150 - 2010 meters
490 - 6595 feet
General Habitats:
  • Broadleafed upland forest
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
Microhabitat Details:
  • Rocky
Move to List 4? Taxonomic problems. Identification difficult. On watch list in OR.
Total Occurrences: 0
Element Occurrence Ranks:
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
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), Deadman Point (4112384), 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)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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Original Description: Proceedings of the American Academy of Arts and Sciences 23:262 (1888)
Taxonomic Treatment: A Flora of California 1(5): 479. 1914[1915]
Species Account: Lewisia cotyledon var. howellii profile for potential Species of Conservation Concern evaluation (2018)