(Whiteflower Hawkweed)
Hieracium albiflorum, Peaks Trail, Breckenridge, Summit Co. 7880
Hieracium albiflorum, Frisco Peninsula, Summit Co. 4553
Hieracium albiflorum, Frisco Peninsula, Summit Co. 4558
Hieracium albiflorum, Peaks Trail, Breckenridge, Summit Co. 7900
Hieracium albiflorum, Peaks Trail, Breckenridge, Summit Co. 7884
Hieracium albiflorum, Peaks Trail, Breckenridge, Summit Co. 7902
| Scientific Name | Hieracium albiflorum | USDA PLANTS Symbol | HIAL2 |
| Common Name | Whiteflower Hawkweed | ITIS Taxonomic Serial No. | 37693 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Life zones and habitat: Foothills to subalpine (6000 to 11500 ft.); moist or dry soils on slopes, in meadows and open woods. Plant: Erect perennial 12 to 30 inches tall, lower portion of the stems somewhat hairy, upper smooth; stems contain a white, milky sap. Leaves: Three to eight or more basal leaves and a few stem leaves; blades oblong to oblanceolate, 2-1/2 to 4 inches long and up to 1-1/4 inches wide; margins usually entire, sometimes sinuately-toothed; surfaces somewhat hairy with long soft hairs, rarely smooth. Inflorescence: Open, lightly branched cluster of 12 to 50 or more small flower heads, each with 13 to 34 short white rays with toothed ends, yellow stamens and hairy blackish-green phyllaries. Bloom Period: July to September. References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest and Flora of North America. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County