MIDDLE AMERICAN BROMELIACEAE IIMezohromelia is distinguished from other members of the subfamily Tillandsioideae by epipetalous stamens and biappendaged petals that are agglutinate or connate for a significant portion of their length. Smith (Smith & Downs, 1977) recognized two species in the genus, and Rauh (1976, 1977) described two more. Recent collections from Costa Rica of flowering material congruent with Vriesea splitgerberi {Utley & Utley 7141) show that the petals of this species are biappendaged and connate. These characteristics, in conjunction with the polystichously flowered inflorescence branches (a condition rarely encountered in Vriesea but common in Mezohromelia), strongly suggest that this species is better treated as a member of Mezohromelia. Gouda (1987) presented evidence that V. splitgerberi is conspecific with Tillandsia pleiosticha and proposed the combination Vriesea pleiosticha. Because we consider the species to be better placed in Mezohromelia, we propose the following new combination.
Begonia campanensis Burt-Utley & Utley and B. fortunensis Burt-Utley & Utley from Panama; B. Sm. & B. G. Schub. and B. brevicyma C. DC Resumen. Begonia campanensis Burt-Utley & Utley v B. fortunensis Burt-Utley & Utley de Panama, as! como B. matudae Burt-Utley & Utley de Chiapas y B. mucronistipula C. DC. de Panama, lo que resulta en
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