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| Scientific Name | Helenium amarum var. amarum | USDA PLANTS Symbol | HEAMA |
| Common Name | Yellow Sneezeweed, Bitterweed | ITIS Taxonomic Serial No. | 528345 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| 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 |
Texas Status: Native |
| Scientific Name | Helenium amarum var. badium | USDA PLANTS Symbol | HEAMB2 |
| Common Name | Yellow Sneezeweed, Bitterweed | ITIS Taxonomic Serial No. | 528346 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Habitat: Calcareous soils; found in open, disturbed areas, roadsides, and (overgrazed) pastures and fields in generally the western third and plains of Texas and Oklahoma. 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, dark brown/purplish 5-lobed disk flowers. Bloom Period: April to July, rarely in the fall. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, and Flora of North America. |
BONAP Distribution Map |
Texas Status: Native |
| Scientific Name | Helenium elegans | USDA PLANTS Symbol | HEEL |
| Common Name | Pretty Sneezeweed | ITIS Taxonomic Serial No. | 36015 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Habitat: Found in relatively moist areas along streams, pond banks, washes. Plant: Erect, branched, tall annual, 3 to 4 ft high with smooth winged stems. Leaves: Alternate, lower and mid blades lanceolate to narrowly elliptic with smooth, toothed or lobed edges; upper blades lanceolate to linear with entire edges. Lower leaves wither by blooming time. Inflorescence: Panicles of many (20 to 200+) composite flower heads per plant, each about 1-1/2 inches across; 10 to 17 yellow rays 1/4 to 5/8-inch long often dark reddish-brown at bases; large, protruding ball-shaped central disk with 100 to 700+ florets, yellow near base becoming dark brown above; hairy phyllaries. Bloom Period: Spring to fall. References: H. quadridentalum in "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Michael Eason, and Flora of North America. |
BONAP Distribution Map |
Texas Status: Native |
