Lupinus polyphyllus var. polyphyllus
Endemic
Synonyms: Lupinus grandifolius Lindley ex J. Agardh L. pallidipes A. Heller L. polyphyllus var. grandifolius (Lindley ex J. Agardh) Torrey & A. Gray L. polyphyllus var. pallidipes (A. Heller) C. P. Smith L. pseudopolyphyllus C. P. Smith
Treatment appears in FNA Volume 11.
Herbs 5.5–12(–15) dm, caudex subterranean. Stems hollow at base. Leaflets 9–17, blades 60–150 mm, surfaces abaxially ± strigose, adaxially glabrous or puberulent. Flowers: upper keel margins glabrous. 2n = 48, 96.
Phenology: Flowering May–Aug.
Habitat: Moist to mesic meadows, riverbars, stream banks, seashores, clearings, roadsides, glades, open forests.
Elevation: 0–3000 m.
Distribution
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Alta., B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Alaska, Calif., Conn., Idaho, Maine, Md., Mass., Mich., Mont., N.H., N.Y., Oreg., Vt., Wash., introduced in Europe, Pacific Islands (New Zealand), Australia.
Discussion
Populations of var. polyphyllus in eastern North America (Ontario and eastward in Canada, and Minnesota and eastward in the United States) have resulted from horticultural introductions.
Selected References
None.
Lower Taxa
None.