B. tenuipila

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 Plants rhizomatous; leaves peltate(?), long-petiolate, the petiole glabrous; blades rounded, 15 cm. long, acutely acuminate, dentate and sparsely setaceous on the margins, glabrous on both surfaces, palmately nerved; branches of the inflorescence and pedicels long-pilose, the flowers pink, the 2 sepals of the staminate flower 5.5 mm. long, glabrous; pistillate flowers bilobate; capsule 6 mm. long, sparsely pilose, the largest wing horizontal, obtuse, the others much narrower.
Pests Diseases

• Classification: Species
• Plant Type: Rhizomatous
• Botanical Section: Gireoudia
• Origin: America, Costa Rica
• Originator: C. de Candolle, Bull. Herb. Boissier ser. 2.
• Date of Origin: 1908