Family: Orobanchaceae
Indian paintbrush, scarlet painted-cup
Etymology: Castilleja: named for Professor Domingo Castillejo, an instructor of botany at Cadiz, Spain
Plants: erect, annual/biennial, 5"-24" tall forb, more or less hairy, usually unbranched; partially parasitic
Leaves: alternate, main leaves can be undivided or divided into 3-5 segments
Flowers: greenish to yellow with scarlet (occasionally yellow/orange), 3-5-lobed bract, 5-parted, tubular-shaped, upper lip sharply triangular covering the 4 stamens, lower lip much shorter and only slightly flaring, the tube long and slender; inflorescence a 1 1/2"-2 1/2", dense, terminal spike becoming 4"-8" long in fruit; blooms May-Aug.
Fruits: oval capsule
Habitat: dry, moderate moisture to wet; prairies, meadows; in sandy, loamy soil
Conservation Status: Native
Plants: erect, annual/biennial, 5"-24" tall forb, more or less hairy, usually unbranched; partially parasitic
Leaves: alternate, main leaves can be undivided or divided into 3-5 segments
Flowers: greenish to yellow with scarlet (occasionally yellow/orange), 3-5-lobed bract, 5-parted, tubular-shaped, upper lip sharply triangular covering the 4 stamens, lower lip much shorter and only slightly flaring, the tube long and slender; inflorescence a 1 1/2"-2 1/2", dense, terminal spike becoming 4"-8" long in fruit; blooms May-Aug.
Fruits: oval capsule
Habitat: dry, moderate moisture to wet; prairies, meadows; in sandy, loamy soil
Conservation Status: Native
Damp sandy prairies, sandy-marly flats and swales, sandy lake shores, meadows, fens, marshes, even along roadsides.
Large populations of this species are quite striking. Found throughout the state but mostly absent from the Northern Highlands region.
Floristic Rating: Coefficient of Conservatism = 6, Wetland Indicator = FAC 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 Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"