Desert Sand Verbena

Abronia villosa S. Wats. Am. Nat. 7: 302. 1873
Annual, much branched, the branches stout, 1-5 dm. long, ascending, decumbent, or procumbent, villous and usually very viscid, often tinged with red; petioles slender or stout, 0.5-3.5 cm. long; leaf-blades rhombic-ovate to oval, oblong, deltoid-ovate, or suborbicular, 1-3.5 cm. long, 1-2.5 cm. wide, rounded or subcordate at the base and often very unequal, sometimes short-decurrent, broadly rounded to acutish at the apex, entire or sometimes undulate, viscid-puberulent or glabrate on the upper surface, usually viscid-villous beneath; peduncles slender, 2-8.5 cm. long, densely or sparsely viscid-villous; bracts linear-lanceolate to
ovate-lanceolate, 6-9 mm. long, attenuate or long-attenuate, scarious, viscid-villous outside; perianth 17-20 mm. long, purplish-red, the tube densely villous throughout with short or long hairs, rarely only puberulent above, the limb about 1 cm. broad; fruit 6-8 mm. long and often broader than long, the body indurate, rugose-veined, villous above, the wings 3 or 4, or sometimes abortive, broad, thin, usually prolonged above the body, rounded to acutish above, whitish, stramineous, or tinged with red, ciliolate above; seed narrowly oblong, 2.5 mm. long, dark-brown, lustrous.
Type locality: Arizona.
Distribution: In sandy soil, southwestern Arizona, western Sonora, and southern California.