Collegeflower

Biennials, 30–90 cm. Leaves: basal 2-pinnate, 6–15 cm, lobes 3–15(–20+) × 1–6 mm; cauline 10–50. Heads 15–100 per stem. Pedun-cles 1–6 cm. Phyllaries yellowish, 4–8 × 2–4 mm. Ray florets 0. Disc florets 20–40; corollas yellow, 2.5–3.5 mm, tubes 1.5–2 mm, throats campanulate, 0.8–1.5 mm, lengths 1–1.5 times lobes. Cypselae 3–4.5 mm, ± villous; pappi of 16–22 scales 0.5–1.5 mm.

Hymenopappus flavescens A. Gray, Mem. Am. Acad. II 4: 97
1849. Hymenopappus Fisheri Wooton & Standley, Contr. U. S. Nat. Herb. 16: 191. 1913.
A leafy-stemmed biennial; stem erect, 3-4 dm. high, floccose; leaves once pinnatifid with oblong or broadly linear obtuse divisions, densely tomentose beneath, sparingly floccose but soon glabrate above; heads numerous, corymbose; involucre 5-6 mm. high, 8-10 mm. broad; bracts sparingly tomentose, obovate, with thin yellow scarious tips and margins; corollas bright-yellow; tube 2 mm. long; throat campanulate, about equaling the lanceolate lobes; achenes nearly naked on the faces, densely villous on the angles; squamellae conspicuous, 1 mm. long.
Type locality: Between San Miguel and Las Vegas, New Mexico. Distribution: Western Texas and New Mexico.

Hymenopappus flavescens, the collegeflower, is a North American species of flowering plant in the daisy family.

Hymenopappus flavescens là một loài thực vật có hoa trong họ Cúc. Loài này được A.Gray mô tả khoa học đầu tiên năm 1849.