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Thursday, June 23, 2011

Prairie Mimosa (Desmanthus illinoensis)

 
Erect perennial with clustered stems from 1-4" or more tall that arise from a taproot. Leaves are alternate an bipinnately compound and have numerous oblong leaflets from 0.06 to 0.2" long. Small white flowers are borne on o.5" rounded heads. Dark thin pods to 1" long are strongly curved and twisted together into a distinctive rounded cluster. Bloom time June-July and found in dry soils, fields, barrens, cedar glades. The genus name is from the
Greek "desme" meaning a bundle and "anthos" meaning flower.

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