Flaveria anomala Robinson

Flaveria anomala B. L. Robinson, Proc. Am. Acad. 27: 178
1892.
A glabrous annual herb; stem 1-2 dm. high, striate, angulate, much branched; leaves linear or lance-linear, acute, 4-5 cm. long, 3-5 mm. wide, slightly connate at the base; heads usually 1 -flowered, numerous in dense almost capitate clusters; flower either ligulate or tubular; bracts 5, lance-linear or oblong, unequally broad, in fruit tuberous-thickened below, 3 mm. long; ligule 3 mm. long, 2 mm. wide; corolla of the hermaphrodite flower 2.5 mm. long; tube somewhat glandular-puberulent, slightly shorter than the throat; achene fully 1.5 mm. long.
Type locality: Vanegas, San Luis Potosi. Distribution: San Luis Potosi.

Flaveria anomala is a Mexican plant species of yellowtops within the family Asteraceae. It has been found only in northeastern Mexico, in Coahuila, San Luis Potosí, Tamaulipas, Nuevo León, and Zacatecas.

Flaveria anomala is an perennial herb up to 100 cm (39 in) tall. Leaves are long and narrow, up to 12 cm (4.7 in) long. One plant can produce numerous flower heads in a dense spiral array. Each head contains 5-7 yellow disc flowers. some heads contain no ray flowers but other heads in the same cluster may have one yellow ray flower.