Plant: Annual or short-lived perennial herb; to 1.5 m tall; glabrate to pubescent, with a short, slightly swollen tap root Leaves: widely ovate, 5-18.5 cm long, 3-16 cm wide, both surfaces variously pubescent, acute, entire to few lobed or dentate, truncate to subtruncate Flowers: with calyx 4-8 cm long, the teeth ovate, acute or acuminate, 5-15 mm long, the base persistent, rotate or reflexed; corolla white with purple throat, the tube (8-)10(-15) cm long, the limb 4-8 cm wide, the acumens acute to acuminate, 1-10 mm long Fruit: FRUITS pendent, dehiscing along 4 sutures at least half the length, green to purple, subglobose, 2.5-4 cm in diameter, with 200-300 spines, these 1-3.2 cm long; pericarp glandular-puberulent; persistent calyx base rotate or reflexed; SEEDS black, reniform, 3-4.5 mm long, 2.4-3.5 mm wide, rugose; caruncle white, present in fresh seeds Misc: Roadsides and waste grounds; usually below 600 m (2000 ft), although up to 1750 m (5500 ft); Mar-Oct REFERENCES: Bye, Robert. 2001. Solanaceae. JJ. Ariz. – Nev. Acad. Sci. Volume 33(1).