IUCN threat status:

Not evaluated

Comprehensive Description

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Description

This native perennial plant forms a branched bush about 3-5' tall, although it is herbaceous. The compound leaves are trifoliate and can be green, bluish green, or greyish green. They are devoid of hairs and their margins are smooth. Each leaflet is oblanceolate, although bluntly pointed toward the tip. The flowering stalks are erect and organized as racemes. The showy flowers are varying shades of blue, about ¾-1" long, and have a typical structure for a large pea flower. They bloom during the late spring for about 3 weeks. There is no scent to the flowers. Blue Wild Indigo continues to grow after the blooming period. The root system consists of a central taproot, with short rhizomes that help this plant to spread. This plant can be very long-lived, and remains attractive throughout most of the growing season. The rather large seeds fall to the ground only a short distance from the mother plant.

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© John Hilty

Source: Illinois Wildflowers

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