Lupinus excubitus var. johnstonii C.P.Sm.

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NEW YORK BOTANICAL GARDEN
RANCHO SANTA ANA BOTANIC GARDEN
Flora of die San Gabriel Mountains
Los Angeles County, California, U.S.A.
Fabaceae
Lupinus excubitus M.E. Jones
var. johnstonii GP.Smith
PACIFICO MOUNTAIN: somewhat flat granitic
ridgetop ca 860 m WNW of the 7124-ft summit. T4N
R11W section 33; near 34°23'04.5,,N 118°02'33"W;
elevation ca. 6800-6830 feet.
Gravelly granitic flats; largely open, withPinus
jeffreyi, Abies concolor, and Quercus chrysolepis
scattered rather widely.
Perennial from a woody root, with short prostrate woody
stems above ground, forming compact mounds 3-8 dm broad;
Leaves silvery pubescent; leaflets fairly cupped; corollas
fragrant, rich purplish-lavender; keel slightly paler with a violet
tip; banner with a bright yellow center patch (without markings),
aging muddy brownish; back of banner with very few, sparse,
strigose hairs, mainly on midrib; keel apparently glabrous below,
densely ciliate on upper margin, particularly distally; pollen
bright orange. Locally associated with Phacelia imbricata
patula, Ph. davidsonii, Chrysothamnus nauseosus, Eriogonum
wrightii subscaposum, E. nudum, Elytnus elymoides, Layia
glandulosa, Agoseris retrorsa, Hulsea vestita gabrielensis, etc.
02586532
Timothy S. Ross 7974
31 May 1994
02586532