Species Details

Sidalcea gigantea

giant checkerbloom

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Photo of Sidalcea gigantea
©2018 Sierra Pacific Industries
Photo of Sidalcea gigantea
©2022 Sierra Pacific Industries
Photo of Sidalcea gigantea
©2021 Sierra Pacific Industries
Scientific Name:
Sidalcea gigantea G.L. Clifton, R.E. Buck & S.R. Hill
Common Name:
giant checkerbloom
Family: Malvaceae
Element Code: PDMAL110T0
USDA Plants Symbol: SIGI
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: (Jan-Jun)Jul-Oct
Elevation:
670 - 1950 meters
2200 - 6400 feet
General Habitat:
  • Lower montane coniferous forest
  • Upper montane coniferous forest
General Micro Habitat: Meadows
Micro Habitat:
  • Seeps
Notes:
Potentially threatened by fire suppression. Possibly threatened by logging, road construction, and road maintenance. Similar to S. asprella and S. celata. See American Journal of Botany 90(3):436-444 (2003) and Molecular Phylogenetics and Evolution 29:563-581 (2003) for taxonomic treatments, and MadroƱo 56(4):285-292 (2009) for original description.
Threats:
Potentially threatened by fire suppression. Possibly threatened by logging, road construction, and road maintenance.
Taxonomy:
Similar to S. asprella and S. celata.
Other:
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Butte (BUT), Nevada (NEV), Plumas (PLU), Shasta (SHA), Sierra (SIE), Tehama (TEH), Yuba (YUB)
Quads: Name (Quad Code)
American House (3912161), Berry Creek (3912164), Blue Canyon (3912036), Burney (4012186), Burney Mtn. West (4012176), Cascade (3912162), Chalk Mtn. (4012187), Challenge (3912142), Clipper Mills (3912152), Colfax (3912018), Goodyears Bar (3912058), Grays Peak (4012146), Hagaman Gulch (4012157), Haskins Valley (3912172), Hatchet Mtn. Pass (4012177), Inwood (4012158), Kimshew Point (3912184), Manton (4012147), Pike (3912048), Pulga (3912174), Soapstone Hill (3912173), Stirling City (3912185), Storrie (3912183), Strawberry Valley (3912151), Viola (4012156)
Notes:
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.

Map

Presumed Extant
Counties   Quads