Castilleja rhexiifolia

(Rosy Paintbrush)

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Castilleja rhexiifolia, FR679, Ophir Pass, Ouray Co. 8639/8647

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Castilleja rhexiifolia, Mayflower Gulch, Summit Co. 2496

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Castilleja rhexiifolia, Shrine Ridge Trail, Eagle Co. 6987

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Castilleja rhexiifolia, Black Powder Pass, Summit Co. 9671

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Castilleja rhexiifolia, Blue Lakes, Summit Co. 1326

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Castilleja rhexiifolia, Mohawk Lakes, Summit Co. 3667

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Castilleja rhexiifolia, Black Powder Pass, Summit Co. 1314

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Castilleja rhexiifolia, Mayflower Gulch, Summit Co. 3823

Scientific Name Castilleja rhexiifolia USDA PLANTS Symbol CARH4
Common Name Rosy Paintbrush, Splitleaf Indian Paintbrush ITIS Taxonomic Serial No. 33164
Family Orobanchaceae (Broomrape) Wildflower
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Description Life zones and habitat: Foothills to alpine (7500 to 13000 ft.); moist areas in meadows, along streams and in forests.
Plant: Erect perennial with clusters of branches, 10 to 24 inches tall; smooth or slightly hairy stems.
Leaves: Alternate, linear to lanceolate leaves 1-1/4 to 2-3/4 inches long, edges entire, uppermost may have 3 shallow lobes.
Inflorescence: Dense spikes of several to many blossoms comprised of thin greenish tubes surrounded and mostly enclosed by leaf-like showy bracts, green at the bases becoming purplish or rose, occasionally red toward the tips; early the flower tubes are almost completely hidden by bracts oblong to ovate, rounded, entire with 1 or 2 pairs of short, lateral lobes.
Bloom Period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield, University of Washington and American Southwest.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County