|Scientific Name||Gutierrezia microcephala (Xanthocephalum microcephalum)||USDA PLANTS Symbol||GUMI|
|Common Name||Threadleaf Snakeweed, Smallhead Snakeweed||ITIS Taxonomic Serial No.||37482|
|Description||Habitat: Dry, gravelly or rocky limestone or gypsum soils in grasslands, brushlands or woodlands, often in disturbed or overgrazed areas; from 1,000 to 7,000 ft.
Plant: Perennial subshrub 12 to 40 inches tall, leafy, much-branched stems from a woody base.
Leaves: Alternate, primary leaves linear to linear-oblanceolate, 3/4 to 2 inches long and about 3/16-inch or less wide; often deciduous by flowering; clusters of shorter and narrower secondary leaves in axils of primary leaves; surfaces usually smooth and sticky.
Inflorescence: Many small composite yellow flower heads usually in clusters of 3 or more in corymbs atop the stems; each small blossom with 1 or 2 ray florets about 3/16-inch long and usually just one disk floret; phyllaries whitish or yellowish with green tips.
Bloom Period: June to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, Flora of North America and SEINet.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023