Vernonia greggii A. Gray

Vernonia greggii A. Gray, Proc. Am. Acad. 17: 204. 1882
Vernonia Greggii Palmeri A. Gray, Proc. Am. Acad. 17: 204. 1882.
Stems erect, simple to the inflorescence, puberulent or glabrate; leaf-blades firm, oblonglanceolate to narrowly elliptic, 8-10 cm. long, 1.5-2.5 cm. wide, broadest at the middle and tapering regularly to each end, acute, serrulate, scabrously puberulent above, glabrous and black-dotted on the surface and puberulent on the veins beneath, sessile or short-petioled, the upper leaves gradually reduced ; inflorescence very loose and open, with few many-flowered heads on stout, subulately bracted peduncles 1-5 cm. long; involucre hemispheric to broadly campanulate, 8-10 mm. high; scales closely imbricate, appressed, glabrous, pulverulent, or slightly arachnoid-tomentose, the outer triangular-ovate, sharply acute, the inner elongate, a cuminate; achenes 4-5 mm. long, essentially glabrous, sparsely resinous in the furrows; pappus tawny, the bristles 7 mm. long, the scales linear, 1-2 mm. long.
Type locality: Northern Mexico. Distribution: Coahuila.

Vernonia greggii adalah spesies tumbuhan yang tergolong ke dalam famili Asteraceae. Spesies ini juga merupakan bagian dari ordo Asterales. Spesies Vernonia greggii sendiri merupakan bagian dari genus Vernonia. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh A.Gray.