|Scientific Name||Gutierrezia sarothrae (Xanthocephalum sarothrae)||USDA PLANTS Symbol||GUSA2|
|Common Name||Broom Snakeweed||ITIS Taxonomic Serial No.||37483|
|Description||Habitat: Dry soils in open areas; common in sagebrush-grassland, pinyon-juniper, and desert shrub communities; 3000 to 7000 ft.
Plant: Perennial subshrub, 6 to 36 inches tall; multiple, leaning stems giving a rounded symmetrical crown densely covered with small bright yellow flowers.
Leaves: Alternate stem leaves, linear to lanceolate, sometimes filiform, less than 1.2 inches long and 0.1-inch wide; lower leaves absent at flowering.
Inflorescence: Dense, flat-topped panicles of small composite flowers about 0.5-inch across; 3 to 8 yellow ray florets and 3 to 9 yellow disk florets in the center; involucres are cylindrical to bell-shaped with whitish overlapping phyllaries with green tips.
Bloom Period: May to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Flora of Colorado" by Jennifer Ackerfield, SW Colorado Wildflowers and SEINet
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023