yellow bush lupine Fabaceae Lupinus arboreus
Leaf:Alternate, deciduous, palmately compound, 4 inches long, 5 to 11 elliptical to oblanceolate leaflets, each 1 to 2 1/2 inches long, gray-green and often with silky hairs.
Flower:Very showy yellow or sometimes purple in upright 6 inch spikes.
Fruit:Pea-like brown-hairy pods, 1 1/2 to 2 1/2 inches long; twist open violently when ripe, expelling seeds.
Twig:Green to red-green.
Form:Erect woody shrub to 6’ tall; ball-shaped when growing in the open.