B. glabra var. amplifolia

Leaves up to 20 cm. long and 15 cm. wide, entire. Largest wing of the ovary ascending. Otherwise as per species: Flora of Peru. by J. Francis Macbride. Chicago, Ill. Field Museum of Natural History, [1941] v. 13: pt. 4: no.1 (1941): Page 181- 202 http://www.biodiversitylibrary.org/item/19800 Stem scandent, rooting at the nodes, glabrous. Leaves variable, nearly symmetrical, broadly ovate, 4-12 cm. long, short-acuminate, rounded or barely cordate at base, sparsely serrate and ciliate to entire, glabrous, petioles 1-8 cm. long, stipules persistent, ovate oblong, mucronate, entire, 10-22 mm. long. Cymes axillary, many flowered, diffuse, peduncle 6-12 cm. long. Bracts persistent, minute. Pedicels 6-16 mm. long, fine. Staminate tepals 4, the outer broadly obovate, 3-6 mm. long, the inner narrower. Stamens free, few, anthers oblong. Pistillate tepals 5, elliptic, 4-6 mm. long. Styles 3, 2-parted, completely covered by stigmatic papillae, placentae simple. Capsule 6-9 mm. long, the largest wing oblong, spreading or barely ascending, 10-14 mm. wide, the other two marginiform, very narrow.
Pests Diseases

• Classification: Species
• Plant Type: Trailing-Scandent
• Botanical Section: Wageneria
• Origin: America, Colombia
• Originator: (A. de Candolle) L. B. Smith & B. G. Schubert, Field Mus. Nat. Hist. Bot. Ser.
• Date of Origin: 1941