Soft Weed

Brayulinea densa (Wilid.) Small, Fl. SE. U. S. 394. 1903
Illecebrum densum Willd.; R. & S. Syst. Veg. 5: 517. 1819.
Guilleminea illecebroides H. B. K. Nov. Gen. & Sp. 6: 42. 1823.
Guilleminea Illecebrum Spreng. Syst. 4: Cur. Post. 103. 1827.
Guilleminea densa Moq. in DC. Prodr. 13 2 : 338. 1849.
Achyranthes conferta Pavon; Moq. in DC. Prodr. 13 2 : 338, as synonym. 1849.
Guilleminea densa aggregata Uline & Bray, Bot. Gaz. 20: 343. 1895.
Stems numerous from a. thick vertical root, much branched, prostrate, 5-25 cm. long, stout, densely lanate; basal leaves evanescent or wanting, long-p etiolate, the blades oblanceolate or obovate, obtuse or acutish; cauline leaves short-petiolate, the petioles winged, the blades elliptic to broadly oval, asymmetric, 3-15 mm. long, 1.5-9 mm. wide, obtuse or acute at the apex, abruptly narrowed at the base, green and glabrous on the upper surface or sparsely villous when young, densely villous or lanate beneath; flowers densely glomerate, the glomerules much shorter than the leaves ; bracts ovate, acute, scarious, white, glabrous ; bractlets oblongovate, obtuse; calyx 2-2.5 mm. long, slightly longer than the bractlets, the tube densely lanate, the lobes lance-ovate, acutish, glabrous, scarious, white; utricle glabrous; seed compressedovoid, 0.6 mm. long, brown, shining.
Type locality: Tropical America.
Distribution: In dry, stony soil, western Texas to southern Arizona, and southward to southern Mexico; also from Brazil to Argentina and Bolivia,