GENUS Lupinus Bluebonnets

Lupine

Herbaceous perennial
Herbaceous mechanism: Tap root

Legume, fix nitrogen to ammonia
Bradyrhizobium soil bacteria
Proteoid (mat) roots

Grey-green leaves
Palmate leaves (about a dozen)

Flowers: Whorls on an erect spike

Isoflavones (estrogens)
Toxic Alkaloids (lupinine)

Aprox 400 species


Species albifrons Silver lupin, Silver bush lupin


Silver Lupinus
(silver Lupins)