Etymology: Digitalis: from the Latin for finger, because of the corolla shape
Plants: erect, biennial/perennial, 2'-6' tall forb
Leaves: alternate, stem leaves lance-like and hairy below
Flowers: purple to white, 5-parted, 1 1/2"-2" long, upper lip not covering the 4 stamens, lower lip only slightly longer and spotted with dark purple inside, tube long with bell-shaped opening; inflorescence a terminal cluster (raceme) with stalked flowers often from only one side of the stem
Fruits: oval to round
Habitat: garden escapee
USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"