Lupinus arbustus Dougl. ex Lindl. ssp. silvicola (Heller) D. Dunn × Lupinus caudatus Kell.
Oregon: Klamath County: Sun Mountain Pass. Elev. 5000 ft.
T32S R7.5E
Yellow pine forest, Pinus ponderosa - Ceanothus velutinus, steep hillside, pumice, full sun, dry, southwest exposure. Scattered. Phenology: Flowers.
L. E. Detling 5800, Jul 19, 1946
WTU, Accession: 347916