Vernonia texana (A. Gray) Small

Vernonia texana (A. Gray) Small, Fl. SE. U. S. 1160. 1903
Vernonia angustifoliayT. & G. Fl. N. Am. 2: 59. 1841.
Vernonia angnslifolia texana A. Gray, Syn. Fl. N. Am. I 2 : 91. 1884.
Vernonia graminifolia texana Trel.; Brann. & Cov. Rep. Geol. Surv. Ark. 1888 4 : 189. 1891.
Cacalia angustifolia texana Kuntze, Rev. Gen. 323. 1891.
Stems erect, simple to the inflorescence, 4-8 dm. tall, glabrous or minutely puberulent;
leaves firm, ascending, chiefly on the lower portion of the stem, the blades linear-lanceolate,
6-12 cm. long, 1-2 cm. wide, acute, sharply dentate with low salient teeth to nearly entire,
attenuate to a sessile base, scabrous above, puberulent, especially along the veins, and usually
pitted beneath; upper leaves much reduced, bractlike, linear to subulate; inflorescence 1-2 dm.
wide, open, bearing few 1 8-2 1 -flowered heads; involucre broadly campanulate, 5-6 mm.
high; scales irregularly imbricate, appressed or the upper slightly spreading, tinged with
purple, puberulent or glabrate, acute, the outer ovate, the inner oblong; achenes pubescent
on the ribs, resinous in the furrows, 2.5 mm. long; pappus tawny, the bristles 6-7 mm. long,
the scales narrowly linear, 0.8-0.9 mm. long.
Type locality: Texas.
Distribution: Arkansas, Louisiana, and Texas.