Plant: Annual herb; pubescent, with a long, tuberous root Leaves: ovate, 10-23 cm long, 5-12 cm wide, the upper surface puberulent to glabrescent, the lower surface canescent, especially along veins, entire, irregularly dentate to lobed; apex acute; base cuneate to rounded Flowers: with calyx 6.5-14.5 cm long, the teeth acute to acuminate, 10-35 mm long; corolla white to pale violet or lavender, the tube (14-)16-26 cm long, the limb 7-15 cm wide, the acumens acuminate to linear triangular, often with a tendril-like tip, 7-40 mm long Fruit: FRUITS pendent, capsule dehiscing irregularly, green to whitish green, subglobose to globose, 3-4 cm in diameter, with 300-400 spines, 0.6-1 cm long; pericarp puberulent; persistent calyx base appressed, sometimes rotate or reflexed; SEEDS brown to red-brown (sometimes black), reniform, 4-6 mm long, 3-5 mm wide, smooth, with a cord-like triple ridge on convex edge; caruncle white, present in fresh seeds Misc: Roadsides, waste grounds and arroyo margins; 1220-1850 m (4000-6000 ft); May-Oct Notes: Corolla funnelform.Flowers fragrant.Plants poisionous.Seeds light brown (tan).Anthers white or pale lavender. References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. Hickman, ed.; The Jepson Manual. ASU specimans. Bye, Robert. 2001. Solanaceae. JJ. Ariz. – Nev. Acad. Sci. Volume 33(1).