Smooth Rattlebox
Crotalaria pallida (Aiton)
Fabaceae (Bean) Family

Smooth Rattlebox is also known as Pale Crotalaria, Running Rattlebox, Pale Rattlebox, or Streaked Rattlebox.

The plant is an upright or prostrate herb with trifoliolate leaves. Its preferred habitat is roadsides, fields, and waste places. Distribution is throughout the Escambia region.

The leaves are trifoliolate, no teeth, or may have scattered teeth on the upper portion of the blade, widest beyond the middle. The mid-vein is prominent, no lobes. The color is pale green.

The flowers are bracted racemes, at terminal or axillary. The calyx has five unequal lobes. The standard is large, heart-shaped. The keel is scythe-shaped, 10 stamens and the filaments are fused. The color is lemon-yellow. Flowers occur in the summer.

Fruit is legume.

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