Plant: Annual or tap-rooted perennial twining vine; STEMS slender and procumbent, twining at tips, glabrous Leaves: petioles 1-3 cm long; blades palmately 5-11-parted, 1-8 cm long, 1-6 cm wide, glabrous to remotely setose, the segments lanceolate, linear, elliptic, obovate, rhombic, rarely filiform INFLORESCENCE: 1-3 flowered cymes; peduncles 0.5-6.5 cm long, equalling or exceeding the leaves; bracteoles subulate, 1-2.5 mm long Flowers: on pedicels 6-18 mm long, erect in fruit; sepals unequal, 4-14 mm long, glabrous or hirsute on the 3 main veins and along the margins; corolla funnelform, 1.5-4.5 cm long, purple, glabrous; stamens 8-20 mm long, the filaments covered with orange trichomes, the anthers 3 mm long; ovary conic, 1 mm long, 2-locular, glabrous, the styles 19-20 mm long Fruit: FRUITS ellipsoid to ovoid depending on the number of seeds, 3-5 mm long, with an apiculum 5 mm or more long. SEEDS 1-4, 5-6 mm long, ovoid, black and gray mottled, minutely appressed-tomentose REFERENCES: Austin, Daniel F. 1998. J. Ariz. – Nev. Acad. Sci. Convolvulaceae 30(2): 61.