PLANT: Perennial herbs, rhizomatous, without tubers, to 1 m tall, sparsely to copiously armed with prickles, these to 5 mm long, thin, delicate; surfaces covered with stellate hairs throughout. LEAVES: alternate, simple, linear to oblonglanceolate, to 10 cm long and 2.5 cm wide, the margin entire, sinuate-repand or 6 CANOTIA Vol. 5 (1) 2009 shallowly lobed; blade coriaceous, the lower surface densely covered with stellate hairs; petiole to 5 cm long; base attenuate, oblique, or rounded; apex acute. INFLORESCENCE: panicles, 5–8-flowered; peduncles to 15 mm long. FLOWERS: zygomorphic (Fig. 3C); pedicels to 2 cm long; calyx to 1 cm long, the lobes 1/2 as long to as long as the tube, unequal, linear; corolla rotate, purple or sometimes white, to 3.5 cm in diam., having stellate hairs along the midveins of the outer surfaces of the corolla lobes; stamens equal, to 13 mm long, the anthers 4 times as long as the filaments, not adherant; style exceeding the anthers by 2–10 mm; stigma clavate, to 1 mm wide. FRUITS: to 1.5 cm in diam., not invested in the calyx, green with pale green to greenish grey markings when immature, yellow when mature, pendant; seeds lenticular, pale to dark brown, shiny and minutely pitted. NOTES: Disturbed areas: all cos. (Fig. 1E); below 1200 m (4000 ft); Mar–Oct; s and w U.S.; Mex. REFERENCES: Chiang, F. and L.R. Landrum. Vascular Plants of Arizona: Solanaceae Part Three: Lycium. CANOTIA 5 (1): 17–26, 2009.