Flower Notes:
Yellow (Pea-like, bright yellow flowers (0.5-1" long) in May)
Foliage Notes:
Green (Bright green summer foliage; no appreciable fall color)
Fruit Notes:
Brown (Yellow-green pods (1.5-3" long) that mature to brown in July or August)
Soil Notes:
Quite tolerant of different soil types, including dry, alkaline, and low fertility
Diagnostic Characteristics:
The 1.5-3" long, alternate, evenly pinnately compound leaves have 4-12 elliptic-oblong leaflets, each 0.5-1" long. Pairs of spiny stipules are present at nodes, becoming stiff with age.