Sinclairia adenotricha (Greenm.) Rydb.

Sinclairia adenotricha (Greenm.) Rydberg
Liabum adenotrichum Greenm. Field Mus. Publ. Bot. 2: 349. 1912.
A shrub, 3-4 m. high; branches floccose-tomentose when young, glabrate in age, striate; petioles 2.5-3 cm. long, glabrous or nearly so; leaf-blades ovate, 6-13 cm. long, 2-7.5 cm. wide, acuminate, callous-denticulate, abruptly cuneate and somewhat decurrent at the base, arachnoid-pubescent at first, then glabrate above, densely white-tomentose beneath; inflorescence terminal, cymose-paniculate; branches white-tomentose as well as glandular-hirsute; heads discoid, about 20-flowered; bracts imbricate in 4—5 series, striate, sparsely tomentose and glandular-hirsute, the outer triangular-ovate, the inner elongate, lanceolate or lance-oblong, obtuse or acutish; corolla 10-12 mm. long, sparingly pilose; achenes about 2 mm. long, hirsute and glandular-hispid.
Type locality: Cerro de Frujano, Oaxaca. Distribution: Known only from the type locality.