| Scientific Name | Chloracantha spinosa | USDA PLANTS Symbol | CHSP11 | 
| Common Name | Spiny Chloracantha, Mexican Devil-weed | ITIS Taxonomic Serial No. | 506896 | 
| Family | Asteraceae (Sunflower) | SEINet Reference | Click Here | 
| Description | Habitat: Moist, saline soils on riverbanks, bottomlands, ditch banks. Plant: Perennial, colony-forming subshrub 20 to 60 inches tall; erect, wandlike, green stems, lower portions usually thorny and often thornless above. Leaves: Oblanceolate, alternate and sessile blades 3/8 to 1-5/8 inches long; edges are entire or rarely with 1 or 2 pairs of small teeth; early deciduous. Inflorescence: Single or loose clusters of small composite flowerheads, 3/8 to 5/8-inch across, each flower with 20 to 33 white rays and 25 to 70 yellow disc florets; cylindrical involucre with lanceolate phyllaries graduated in a series of 4 or 5 with rounded tips and transparent edges. Bloom Period: May to October. References: SEINet and Jepson Herbarium. | BONAP Distribution Map  Map Color Key | Texas Status: Native | 
					Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2025
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