Convolvulus pinnatifidus Kunth in A. von Humboldt et al., Nov. Gen. Sp. 3(fol.): 85; 3(qto.): 108. 1819; Ipomoea pinnatifida (Kunth) G. Don

Plants to 6+ m. Stems usually terete, sometimes angular. Leaf blades ovate or pinnately to palmately lobed, lobes 5–9, lin­ear, lanceolate, elliptic-obovate, or ± rhombic, base cuneate to truncate or auriculate, margins entire or ± lobed to toothed, apex obtuse-acuminate. Peduncles ± winged. Flowers: sepals stra­mineous or rose, accrescent in fruit; corolla limb ± entire. Capsules 12–20 mm, glabrous. Seeds 5–7 mm.

Flowering May–Oct. Pastures, scrublands; 0–20 m; Tex.; Mexico; Central America.