Tuesday, December 6, 2016

[Botany • 2015] Chalybea brevipedunculata • A New Species of Chalybea (Blakeeae, Melastomataceae) from Cordillera del Cóndor, the Ecuador-Peru Border


Chalybea brevipedunculata 
Penneys, C. Ulloa & D. FernándezDOI:  10.11646/phytotaxa.212.4.2

 Abstract
A new species, Chalybea brevipedunculata, from the Ecuador-Peru border is herein described and illustrated. It differs from all other species in the genus by having inflorescence peduncles that are shorter than their subtending leaf petioles.

Keywords: Chalybea, Melastomataceae, Andes, Cordillera del Cóndor, endemic, Ecuador, Eudicots


FIGURE 2. Inflorescences of Chalybea brevipedunculata (Neill 16913).
Photograph by D.A. Neill. 

Chalybea brevipedunculata Penneys, C. Ulloa & D. Fernández, sp. nov.  

Type:— ECUADOR: Zamora-Chinchipe: Paquisha Cantón. Cordillera del Cóndor. The Machinaza Plateau, 2315 m, 23 Jun 2009 (fl), David Neill & Camilo Kajekai 16913 (Holotype: QCNE!; Isotypes: CAS!, MO!).

Diagnosis:— Differs from all other species of Chalybea by having inflorescence peduncles that are shorter than their subtending petioles.


Etymology:— The specific epithet refers to the short peduncles of the inflorescences, unique among all species of Chalybea. All other members of this genus have peduncles much longer than their subtending petioles. 


  David Alan Neill, Carmen Ulloa Ulloa, Darrin S. Penneys and Diana Fernández Fernández. 2015. A New Species of Chalybea (Blakeeae, Melastomataceae) from the Ecuador-Peru Border. Phytotaxa. 212(4); 264-270. DOI:  10.11646/phytotaxa.212.4.2

Resumen: Se describe y se ilustra una nueva especie, Chalybea brevipedunculata, procedente de la frontera entre Ecuador y Perú. Se diferencia de todas las demás especies en el género por tener el pedúnculo de la inflorescencia más corto que los pecíolos de las hojas subyacentes

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