Flaveria pubescens Rydb.

Flaveria pubescens Rydberg, sp. now
A tall annual (?) herb; stem rather simple, 5-10 dm. high, angled, striate, more or less hirsute-villous; leaves linear to lance-linear, attenuate, 5-10 cm. long, tapering from the comparatively broad connate base, 1-3-ribbed, short-villous on both sides; inflorescence rather open, cymose; heads about 10-flowered; involucral bracts 5, oblong, 4 mm. long, the calyculate bract solitary, lanceolate; ray-flower wanting; disk-corollas 2.5 mm. long; tube glandularpuberulent, not longer than the glabrous throat; achenes about 1.5 mm. long.
Type collected at Rio Verde, San Luis Potosi. June, 1904, E. Palmer 26 (herb. N. Y. Bot. Gard.). Distribution: San Luis Potosi and Tamaulipas.

Flaveria pubescens is a rare Mexican plant species of Flaveria within the family Asteraceae. It has been found only in the States of Tamaulipas and San Luis Potosí in northeastern Mexico.

Flaveria pubescens is an perennial herb up to 80 cm (31.5 in) tall. Leaves are about 5–10 cm (2.0–3.9 in) long, covered in short, soft hairs. One plant can produce numerous flower heads in a loose branching array. Each head contains 10-15 yellow disc flowers but no ray flowers.