Castilleja sessiliflora Pursh  
Family: Orobanchaceae
downy paintbrush, downy painted-cup, downy yellow painted-cup
Castilleja sessiliflora image
Etymology: Castilleja: named for Professor Domingo Castillejo, an instructor of botany at Cadiz, Spain
Plants: erect, perennial, 5"-12" tall forb, softly hairy; stems clustered, very leafy, usually unbranched
Leaves: alternate; divided past the middle into 3 spreading, linear lobes
Flowers: yellow to whitish with a greenish bract similar to, but smaller than the leaves; 5-parted, curved petals longer than the bracts, upper lip covering the 4 stamens, lower lip much shorter, both lips only slightly flaring, the tube long and slender; inflorescence a 1"-2", dense, terminal spike; blooms May-July
Fruits: oval capsule
Habitat: dry; prairies, hillsides; in limy soil
Conservation Status: Native
Castilleja sessiliflora image
Kenneth J. Sytsma  
Castilleja sessiliflora image
Robert W. Freckmann  
Castilleja sessiliflora image
Kenneth J. Sytsma  
Castilleja sessiliflora image
Christopher Noll  
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