Amphiachyris amoena

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Scientific Name Amphiachyris amoena (Gutierrezia amoena, Xanthocephalum amoenum) USDA PLANTS Symbol
AMAM3
Common Name Texas Broomweed ITIS Taxonomic Serial No.
36524
Family Asteraceae (Sunflower) SEINet Reference
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Description Habitat: Caliche soils, dry areas.
Plant: Erect, open annual, 6 to 36 inches tall; single stem with upper third highly-branched.
Leaves: Sparse, narrow stem leaves, 1/4 to 1-1/4 inches long, alternate, sessile, linear (rarely lanceolate) blades with gland-dotted faces and smooth edges.
Inflorescence: Open panicles of many small composite flower heads less than 3/8-inch across on short stalks; each with 7 to 12 yellow rays and 10 to 21 yellow disk florets in the center; involucre cone-shaped with uneven, green-edged, whitish phyllaries with shiny faces.
References: Descr. adapted from "Wildflowers of the Texas Hill Country" by Marshall Enquist, Shinners & Mahler’s Illustrated Flora of North Central Texas for Guitierrez amoena, and Flora of North America.
Texas Status
Native

© Tom Lebsack 2017