CNPS Inventory Plant Detail

Amorpha californica var. napensis

Common Name:	Napa false indigo
Family:	Fabaceae
Synonyms:
Element Code:	PDFAB08012
Full Name:	Amorpha californica Nutt. var. napensis Jeps.
USDA PLANTS Symbol:	AMCAN

Biology
Lifeform: perennial deciduous shrub Blooming Period: April - July Habitat: • Broadleafed upland forest (openings) • Chaparral • Cismontane woodland

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 45
Element Occurrence Ranks:

A B C D X U

2 5 5 1 0 32

Population Status:

Historic >20 yrs	Recent <=20 yrs
28	17

Presence:

Present Extant	Possibly Extirpated	Extirpated
45	0	0

Notes

Threatened by development and habitat alteration. Potentially threatened by road maintenance. See Manual of the Flowering Plants of California, p. 556 (1925) by W.L. Jepson for original description, and Rhodora 77:348-350 (1975) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 2001-01-01
Last Update: 2011-10-12

Location

Elevation: 120 - 2000 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Monterey (MNT), Marin (MRN), Napa (NAP), Sonoma (SON)

Quads: name (DWR code) USGS code
Chews Ridge (343D) 36121C5, San Rafael (467A) 37122H5, Bolinas (467B) 37122H6, Petaluma River (484A) 38122B5, San Geronimo (484C) 38122A6, Rutherford (500B) 38122D4, Sonoma (500C) 38122C4, Kenwood (501A) 38122D5, Santa Rosa (501B) 38122D6, Glen Ellen (501D) 38122C5, Camp Meeker (502B) 38122D8, Duncans Mills (503A) 38123D1, Bodega Head (503D) 38123C1, St. Helena (516C) 38122E4, Detert Reservoir (517A) 38122F5, Mount St. Helena (517B) 38122F6, Mark West Springs (517C) 38122E6, Calistoga (517D) 38122E5, Guerneville (518C) 38122E8, Fort Ross (519C) 38123E2, Cazadero (519D) 38123E1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1812

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.5,38.25