|Scientific Name||Castilleja sulphurea (Castilleja septentrionalis)||USDA PLANTS Symbol||CASU12|
|Common Name||Sulphur Indian Paintbrush||ITIS Taxonomic Serial No.||33083|
Life zones and habitat: Subalpine to alpine (6400 to 11500 ft.); forests, streamsides and meadows.
Plant: Erect semi-parasitic perennial with few to several stems 10 to 22 inches tall; may be branched above; and red to maroon.
Leaves: Smooth alternate, lanceolate to almost linear stem leaves 3/4 to 2-1/3 inches long; tinged maroon, prominently veined.
Inflorescence: Thin, inconspicuous green flower tubes surrounded by large, pale yellow bracts; flowers have a protruding lower lip and a larger upper lip.
Note: Often found with C. miniata and C. rhexiifolia.
References: "Flora of Colorado" by Jennifer Ackerfield, SW Colorado Wildflowers and SEINet.
|BONAP Distribution Map
Map Color Key
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County