Mandevilla foliosa (Müll. Arg.) Hemsl.

Mandevilla foliosa (Muell.-Arg.) Hemsl. Biol
Centr. Am. Bot. 2: 316. 1881.
Amblyantkera foliosa Muell.-Arg. Linnaea 30: 427. 1860. Laseguea foliosa Miers, Apoc. S. Am. 253. 1878. Trachelospermum stans A. Gray, Proc. Am. Acad. 21: 394. 1886. Secondatia stans Standley, Contr. U. S. Nat. Herb. 23: 1165. 1924.
Erect or ascending suffrutescent herb; leaves membranaceous, ovate-elliptic, 6-15 cm. long, 2-7 cm. broad, acute to acuminate, gradually narrowed and obscurely cordate at the base, minutely pilose to glabrate above, minutely and generally pilose beneath, the petioles 5-10 mm. long; inflorescence alternateaxillary, simple, subcorymbiform, usually much shorter than the leaves, bearing 3-12 white or cream-colored flowers; pedicels 5-10 mm. long; calyx-lobes lanceolatetriangular, acuminate, 4-6 mm. long, glabrous; corolla salverform, glabrous externally, the tube 10-15 nim. long, about 1 mm. in diameter at the base, the lobes obliquely oblongobovate, 7.5-10 mm. long, spreading; stamens inserted above the middle of the corolla-tube, the anthers 3 mm. long; nectaries somewhat shorter than the ovary; follicles falcate, articulate or somewhat moniliform, 8-12 cm. long, minutely puberulent to glabrate.
Type locality: Near Mexico, Federal District.
Distribution: Chihuahua, Sirialoa, and Durango; Jalisco and Michoacan to Queretaro and Morelos.