Orthopappus angustifolius (Sw.) Gleason

Orthopappus angustifolius (Sw.) Gleason, Bull. N. Y Bot. Gard. 4: 238. 1906.
Elephantopus angustifolius Sw. Prodr. 115. 1788. Elephantopus nudiflorus Willd. Sp. PI. 3: 2390. 1804. Elephanlosis quadriflora Less. Linnaea 4: 323. 1829. Elephantosis anguslifolia DC. Prodr. 5: 87. 1836. Elephantopus quadriflorus D. Dietr. Syn. PI. 4: 1372. 1847.
Stems erect, 3-10 dm. tall, hirsute with white hairs; blades of the basal leaves narrowly oblanceolate, 10-25 cm. long, 1.5-4 cm. wide, obtuse or subacute, shallowly and irregularly crenate, long-acuminate at the base into a margined petiole, thinly strigose-pubeseent on both
sides, especially on the veins beneath; cauline leaves bract-like, their blades linear to oblong;
inflorescence spicate or with a few short branches, the rachis densely villous; bracteal leaves
oblong-linear, 1 cm. long, or deciduous; glomerules JO-15 mm. high; involucre about 10mm.
long; scales sharply acuminate, glabrous or thinly strigose; achenes dark-brown, pubescent,
2 mm. long; pappus pale-brown or silvery, 7-8 mm. long, of flattened bristles tapering from
base to apex.
Type locality: Jamaica.
Distribution: West Indies, Mexico, and Central America; also in tropical South Amercia.