Ceiba acuminata
A northern relative of the tropical kapok, Ceiba pentandra, found in deep canyons of the Sierra Madre Occidental.
Bark, in Barranca de Batopilas, Chihuahua, 22 Mar 2007.
Valves of a fruit, Barranca de Batopilas, 22 Mar 2007.
Comose seeds on a twig of Ipomoea arborea, Barranca de Batopilas, 22 Mar 2007.