B. cinnabarina

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 Long-caulescent herb with tuberous base, to 6 dm. high. Stem erect, few-branched, flexuous; stout, puberulent. Leaves obliquely ovate or subreniform, palminerved, 1-2 dm. in diameter, obtuse, lobulate, crenate-serrate, pubescent, petioles 8-17 cm. long, stipules ovate, acuminate. Peduncles axillary, stout, 2 dm. long, red or green, 2- 6-flowered. Bracts elliptic, acute, 15-18 mm. long. Pedicels slender, decurved, 1-4 cm. long. Staminate tepals 4, broadly obovate, 25 mm. long. Stamens very numerous, anthers short and broad. Pistillate tepals 5, 25-30 mm. long. Styles 3, 2-parted, the stigmatic tissue linear, spiral, continuous, placentae bilamellate. Capsule very unequally 3-winged, 2 wings narrowly marginiform, the third subdeltoid.

• Classification: Species
• Plant Type: Tuberous
• Botanical Section: Australes
• Origin: America, Bolivia, Peru
• Originator: W. J. Hooker, Bot. Mag.
• Date of Origin: 1849