B. lignescens

Flora of Costa Rica. Begoniaceae. by Paul C. Standley. Chicago 1937. v. 18: pt. 2 (1937): Page 737-48 http://www.biodiversitylibrary.org/item/19747 Stems scandent, glabrous; leaves alternate, almost sessile, the blades narrowly oblong, 7- 9 cm. long, 2-2.5 cm. wide, oblique, short-acuminate, obliquely cuneate at the base, denticulate toward the apex, glabrous, penninerved, the nerves 4- 5 pairs; inflorescence large and many-flowered, cymose, the bracts caducous, elongate lanceolate, acute, glabrous; staminate sepals 2, white, lanceolate, 15 mm. long, the petals 2.5 mm. long; pistillate sepals 2, elongate lanceolate, almost 2 cm. long; ovary glabrous, one of the 3 wings cultriform, 1 cm. long (immature), the others very narrow.
Pests Diseases

• Classification: Species
• Plant Type: Shrub-like
• Botanical Section: Ruizopavonia
• Origin: America, Costa Rica
• Originator: C.V.Morton, J. Wash. Acad. Sci.
• Date of Origin: 1937