Inventario florístico del Parque nacional Cañón del Sumidero, parte occidental y de la cañada La Chacona, Chiapas, México

Abstract

Se presenta un inventario de las plantas vasculares de la cañada La Chacona zona considerada como región terrestre prioritaria para la conservación (RTP 141) y parte occidental del Parque Nacional Cañón del Sumidero (Cañada Muñiz y Mirador Manos que Imploran); se realizaron recolecciones de herbario durante dos años; se registran 919 recolecciones de plantas vasculares, obteniendo 632 especies, 383 géneros, 99 familias botánicas; 15 especies de ellas con categorías de riesgo (NOM-059–SEMARNAT-2010); tal es el caso de la Chamaedorea stolonifera H.Wendl. & Hook, Ceratozamia robusta Miq., entre otras; se incluyen especies endémicas como Conzattia chiapensis Miranda y el Agave grijalvensis B. Ullrich. Dichos ejemplares fueron depositados en los herbarios CHIP, HEM y MEXU. Este listado representa el 7.6% de la flora del estado de Chiapas.

This study ahmed to formulate a floral vascular plant that to find in Canada Chacona Land area considered as a prioritary region for conservation (RTP 141) and western part of the nacional park canyon sink (glen Muñiz and lookout hands begging) that work was done during two years, with periodic, complementing the information with a thorough review of databases of herbaria Eizi Matuda (HEM) from the Faculty of Biological sciences, university and arts sciences Chiapas (UNICACH), CHIP and natural history of the institute (IHN) the process of collecting, drying and were identified using the method proposed by Chiang and Lot (1986); in the region are two types of vegetation (tropical deciduous forest, tropical forest subdeciduous) does collected 919 specimens of vascular plants, obtaining 99 botanical families, 383 genus, 632 species, 15 of the are risk category (NOM-059-SEMARNAT-2010). Such is the case of Chamaedorea stoloniferaH. Wendl. & Hook, Ceratozamia robusta Miq. Includes endemic species such as Conzattia chiapensis Miranda and Agave grijalvensis B. Ulrich. These specimens were deposited in herbarium mentioned above and in the National Herbarium of Mexico (MEXU). This work represents 7.6% of the flora of Chiapas.