IUCN threat status:

Not evaluated

Comprehensive Description

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Description

This native perennial plant is about 3-6' tall and forms an erect, sparsely branched bush, although it is herbaceous. The stout central stem and upper side stems are smooth, light green or reddish purple, and glaucous. The compound leaves are trifoliate. They are usually greyish green or blue green, and hairless. Each leaflet is ovate or oblanceolate and pointed at both ends, with smooth margins, and about 2" long and ¾" across. The white flowers occur in erect spike-like racemes up to 2' long and are quite showy. They are typical pea flowers in overall structure, and about 1" long. There is no floral scent. The blooming period occurs from late spring to mid-summer and lasts about 1-1½ months. The flowers are replaced by large oblong seedpods, which are also rather showy. They are about 2" long and initially green, but later turn black. There is a stout deep taproot, and rhizomes that may form vegetative offsets. Once established, White Wild Indigo grows very quickly during the spring – it often towers above the surrounding plants by blooming time.

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© John Hilty

Source: Illinois Wildflowers

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