PLANT: Shrubs to 2.5 m tall, without tubers or rhizomes, unarmed to sparsely armed with stout prickles to 10 mm long, the young growth covered with stellate hairs. LEAVES: alternate, simple, oblong-lanceolate to ovate, to 6.5 cm long and 4.5 cm wide; blade coriaceous, lower surface densely tomentose, the hairs stellate; margin entire to undulate; petiole to 2.5 cm long; base rounded, truncate or oblique; apex acute to rounded. INFLORESCENCE: racemes, with fewer than 5 flowers; peduncles to 3 cm long. FLOWERS: actinomorphic; pedicel to 1.5 cm long; calyx to 2 cm long, the lobes 2–3 times longer than the tube, unequal, linear to narrowly deltoid; corolla rotate, purple in ours, to 5.5 cm in diam., having stellate hairs along the midveins of the outer surfaces of the corolla lobes; stamens unequal, to 13 mm long, the anthers 3–4 times as long as the filaments, not adherent; style equal to or exceeding the anthers by 1–8 mm; stigma FRUITS: to 2 cm in diam., not invested in the calyx, green with pale green to greenish grey markings when immature, dark brown when mature, erect; seeds lenticular, dark brown, shiny, minutely pitted. NOTES: Rocky hillside, often among boulders: known only from Organ Pipe Cactus National Monument, Pima Co. (Fig. 2A); 500–600 m (1500–1800 ft); Mar; Son., Baja C., Mex. REFERENCES: Chiang, F. and L.R. Landrum. Vascular Plants of Arizona: Solanaceae Part Three: Lycium. CANOTIA 5 (1): 17–26, 2009.