Comprehensive Description
provided by North American Flora
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.
- bibliographic citation
- Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
