(Stansbury’s Cliffrose)
Purshia mexicana var. stansburyana, Alcove Trail, Colorado National Monument, Mesa Co. 4179
Purshia mexicana var. stansburyana, Alcove Trail, Colorado National Monument, Mesa Co. 4190
Purshia mexicana var. stansburyana, Alcove Trail, Colorado National Monument, Mesa Co. 4187
Purshia mexicana var. stansburyana, Alcove Trail, Colorado National Monument, Mesa Co. 4202
Purshia mexicana var. stansburyana, Alcove Trail, Colorado National Monument, Mesa Co. 4195-1
Purshia mexicana var. stansburyana, Alcove Trail, Colorado National Monument, Mesa Co. 4195-2
| Scientific Name | Purshia mexicana var. stansburyana (Purshia stansburiana) | USDA PLANTS Symbol | PUST |
| Common Name | Stansbury's Cliffrose | ITIS Taxonomic Serial No. | 837724 |
| Family | Rosaceae (Rose) | SEINet Reference |
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| Description |
Life zones and habitat: Semi-desert and foothills (4200 to 6600 ft.); dry soils on rocky slopes, plateaus in grasslands, sagebrush lands and conifer woodlands. Plant: Evergreen shrub or small tree, 2 to 11 ft. tall; numerous branches; shreddy bark reddish brown or gray; twigs reddish brown. Leaves: Alternate, sessile or short-petiolate, pinnately-lobed with 5 to 7 lobes, 1/4 to 1-/2 inch long 1/8 to 11/3-inch across; surfaces have a thick, leathery appearance, dark green and glandular above, white-hairy below; margins are rolled under. Inflorescence: Solitary, fragrant white-cream flowers up to 1 inch wide from the ends of lateral branches; and have 5 obovate petals, many (60-90) yellow stamens and 4 to 12 pistils; 5 green sepals below. Bloom Period: May to July. Fruit: Small achenes attached to long, styles ~2 inches long with feathery, plume-like hairs. References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America, Southeast Arizona Wildflowers and SEINet. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains