|Scientific Name||Helenium amarum var. amarum||USDA PLANTS Symbol||HEAMA|
|Common Name||Yellow Sneezeweed, Bitterweed||ITIS Taxonomic Serial No.||528345|
|Description||Habitat: Sandy or loamy soils; found in open, disturbed areas, roadsides, and (overgrazed) pastures and fields in generally the eastern two-thirds of Texas and southeastern states.
Plant: Upright annual 4 to 20 inches tall; stems are striated or ribbed with many branches in upper portion.
Leaves: Numerous alternate, very narrow, linear leaves 1-1/2 to 3 inches long. Lower leaves pinnately-lobed and withered by blooming time.
Inflorescence: Composite flower heads about 1+ inch across, yellow rays 3-toothed at tips, yellow 5-lobed disk flowers.
Bloom Period: July to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Geyata Ajilvsgi, Illinois Wildflowers and Flora of North America
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023