Taxon Details

Jamesia americana var. rosea

rosy-petalled cliffbush

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Photo of Jamesia americana var. rosea
© 2005 Steve Matson
Photo of Jamesia americana var. rosea
© 2010 James M. Andre
Photo of Jamesia americana var. rosea
© 2017 Neal Kramer

Taxon Summary:

Jamesia americana var. rosea, commonly known as rosy-petalled cliffbush, is a perennial deciduous shrub in the Hydrangeaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, Great Basin scrub, Pinyon and juniper woodland, and Subalpine coniferous forest, growing at elevations from 1980 to 3700 meters. Jamesia americana var. rosea is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Scientific Name:
Jamesia americana T. & G. var. rosea C. Schneider
Common Name:
rosy-petalled cliffbush
Family: Hydrangeaceae
Element Code: PDHDR02019
USDA Plants Symbol: JAAMR
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos
Lifeform: perennial deciduous shrub
Blooming Period: May-Sep
JFMAMJJASOND
Elevation:
1980 - 3700 meters
6495 - 12140 feet
General Habitats:
  • Alpine boulder and rock field
  • Great Basin scrub
  • Pinyon and juniper woodland
  • Subalpine coniferous forest
Microhabitat Details:
Microhabitat:
  • Carbonate (sometimes)
  • Granitic (sometimes)
  • Rocky
Notes:
Scattered but never abundant. See Brittonia 41(4):335-350 (1989) for taxonomic treatment.
Threats:
Taxonomy:
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), Nevada (NV)
California Counties and Islands: Name (Code)
Fresno (FRE), Inyo (INY), Mono (MNO), Tulare (TUL), Tuolumne (TUO)
Quads: Name (Quad Code)
Aberdeen (3611883), Bishop (3711834), Camp Nelson (3611825), Cerro Gordo Peak (3611757), Chagoopa Falls (3611844), Cirque Peak (3611842), Convict Lake (3711857), Coyote Flat (3711824), Dunderberg Peak (3811913), Haiwee Pass (3611821), Jail Canyon (3611722), Johnson Peak (3611843), Juniper Mtn. (3711862), Kearsarge Peak (3611873), Kern Lake (3611834), Lodgepole (3611856), Marion Peak (3611885), Mazourka Peak (3611881), Mineral King (3611845), Mount Tom (3711836), Mount Whitney (3611853), Mt. Abbot (3711847), Mt. Barcroft (3711852), Mt. Brewer (3611864), Mt. Clarence King (3611874), Mt. Darwin (3711826), Mt. Henry (3711827), Mt. Kaweah (3611854), Mt. Langley (3611852), Mt. Morgan (3711846), Mt. Pinchot (3611884), Mt. Thompson (3711825), New York Butte (3611768), North Palisade (3711815), Olancha (3611831), Sphinx Lakes (3611865), Split Mtn. (3711814), Telescope Peak (3611721), Templeton Mtn. (3611832), The Sphinx (3611875), Triple Divide Peak (3611855), Tungsten Hills (3711835), Waucoba Mtn. (3711811), Waucoba Spring (3711718), Wildrose Peak (3611731)
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.
Presumed Extant
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