Etymology: Penstemon: from the Greek pente, "five," and stemon, "stamen," for the fifth stamen, referring to the staminode, or just an allusion to the fact that it has five stamens
Plants: erect, perennial, 16"-32" tall forb, usually with several stems
Flowers: purple with white lobes, 5-parted, 3/4"-1" long, tubular, very slender tube much longer than the lobes, throat almost closed by the arching lower lobe, 5 stamens (1 infertile); inflorescence a cluster with upward-pointing branches; blooms June-July
Habitat: dry; woods, fields
Conservation Status: Special Concern
Floristic Rating: Coefficient of Conservatism = 4 WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"