Texas Wildbuds
Hymenopappus flavescens
(Yellow Plainsman)
Hymenopappus flavescens, Along TX Hwy 6 north of Knox City, Knox Co. 6431
Hymenopappus flavescens, Along TX Hwy 6 north of Knox City, Knox Co. 6449
Hymenopappus flavescens, Along TX Hwy 6 north of Knox City, Knox Co. 6440
Hymenopappus flavescens, Along TX Hwy 6 north of Knox City, Knox Co. 6445
| Scientific Name | Hymenopappus flavescens | USDA PLANTS Symbol | HYFL |
| Common Name | Yellow Plainsman, Collegeflower | ITIS Taxonomic Serial No. | 37767 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description | Habitat: Found in drier sandy or gravelly soils; prairies, plains, pastures, and roadsides. Plant: Biennial 12 to 36 inches tall; solitary stems, branching above, ribbed, smooth to canescent (dense, fine, grayish-white hairs). Leaves: Blades 2-1/2 to 6 inches long and 1/2 to 3 inches wide, becoming smaller upward, twice pinnately-divided, with linear lobes up to 1/4-inch wide, smooth or with woolly hairs (tomentose) or evenly tomentose or cansescent on both sides; basal leaves usually present; stem leaves alternate, at least 10 per stem. Inflorescence: Flowering heads in congested terminal compound corymbs, 30 to 100 heads per stem; each head with 30 to 70 yellow disk florets with corollas 1/10 to 1/8-inch long, no rays; involucre with 6 to 14 bracts 1/6 to 1/4 inch long. Bloom Period: April to September. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Michael Eason and Kansas Wildflowers and Grasses. Note: Images here are possibly var. flavescens because of the wider ultimate leaf lobes (2-6 mm vs. 1-2 mm). |
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 2026
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