Vernonanthura buxifolia (Less.) H. Rob.

Vernonia buxifolia (Cass.) Less. Linnaea 4: 313. 1829
Lepidaploa buxifolia Cass. Diet. Sci. Nat. 26: 18. 1823. Cacalia buxifolia Kuntze, Rev. Gen. 968. 1891.
Stems shrubby, climbing, pubescent when young, becoming glabrous with age ; leaf-blades
coriaceous, elliptic-oblong or oblong-obovate, 2-4 cm. long, 8-18 mm. wide, acute, entire,
somewhat revolute, narrowed at base into petioles 1-2 mm. long, glabrous or nearly so and
impressed-punctate on both sides, shining above; heads about 8-flowered, 3-6 in a subcapitate
cluster, sessile or on short scaly peduncles; involucre funnelform or narrowly turbinate,
8-9 mm. high, attenuate at base; scales closely and regularly imbricate in spiral series, glabrous,
the outer ovate, obtuse to subacute, somewhat fimbriate, the inner ovate-lanceolate, the
innermost linear-oblong, acuminate, widely spreading or horizontal at tip; achenes obtusely
ribbed, minutely resinous; pappus tawny, the bristles 5.5 mm. long, the scales barely ciliate,
narrow, 0.7-0.8 mm. long.
Type locality: Haiti. Distribution: Hispaniola.