Taxon Report

Lupinus padrecrowleyi C.P. Sm.

Father Crowley's lupine

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Taxon Summary

Lupinus padrecrowleyi, commonly known as Father Crowley's lupine, is a perennial herb in the Fabaceae that is found only in California. It occurs within Great Basin scrub, Riparian forest, Riparian scrub, and Upper montane coniferous forest, growing at elevations from 2200 to 4000 meters. Lupinus padrecrowleyi is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Lupinus padrecrowleyi C.P. Sm.
Common Name:	Father Crowley's lupine
Family:	Fabaceae
Element Code:	PDFAB2B2Z0
USDA Plants Symbol:	LUPA6
Synonyms/Other Names:	Lupinus dedeckerae Lupinus padre-crowleyi C.P. Sm.

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Aug	Jul-Aug
Elevation:	2200-4000 (7220-13125)
General Habitats:	Great Basin scrub, Riparian forest, Riparian scrub, Upper montane coniferous forest
Microhabitat:	Decomposed granitic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	CR
Fed List:	None
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	15
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	4
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	9

Location


California Endemic: True
California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO), Tulare (TUL)
Quads: Name (Quad Code)
Bartlett (3611841), Cirque Peak (3611842), Coyote Flat (3711824), Haiwee Pass (3611821), Johnson Peak (3611843), Kern Peak (3611833), Monache Mountain (3611822), Mt. Morgan (3711846), Mt. Thompson (3711825), Mt. Williamson (3611863), Split Mtn. (3711814)

Threat List Data from the CNDDB


Threat List Total:	6
EOs with Threat Listed:	Total EOs	% of EOs
	5	33 %
Road/trail construction/maint.	5	33%
Grazing	2	13%
ORV activity	1	6%
Recreational use (non-ORV)	1	6%
Development	1	6%
Foot traffic/trampling	1	6%

Notes



Known from fewer than twenty occurrences. This name predates L. dedeckerae (both described independently from the same type locality).
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 21 February 2025].