[1][3] Some confusion has occurred in the literature, specifically that this species is named as a noxious weed of soybean and rice fields.
[4][7] A. virginica is an annual herb which grows erect and can reach two meters in height.
The pea-like flower is about a centimeter long and yellow in color with stark red veining.
The flowers are pollinated by insects such as the least skipper (Ancylozypha numitor) and leaf-cutter bees (family Megachilidae).
[4] The fruit is a legume pod up to 7 centimeters long which is narrowed between the seeds and easily segments.