Dracontium nivosum (Lem.) G.H.Zhu (Araceae): range extension from Amazonia to a brejo forest refugium in Northeast Brazil confirmed

By

De Andrade, Ivanilza M.
Silva, M. Francilene S.
Ribeiro, Thales A.
Mayo, Simon J

Type

Article

Date of Publication

2016-6-22

Original Publication

Check list : journal of species lists and distribution

Volume

12

Series / Issue

Issue: 3

Pages

1908--7

Subjects

Ceará , Chapada da Ibiapaba , Conservation status , range extension , semi-arid Neotropics , spatial analysis , threatened forest fragments

Contributed by

Pensoft Publishers

Language

English

Published by

[São Paulo, Brazil] Luís Felipe Toledo 2005-

Identifiers

DOI: https://doi.org/10.15560/12.3.1908

 

Abstract

The 558 km range extension of the Amazonian aroid Dracontium nivosum (Lem.) G.H.Zhu into semi-arid Northeast Brazil is confirmed. This species occurs in Ceará in threatened fragments of brejo forest at ca. 580–870 m elevation. An illustrated taxonomic description is provided. The species’  Extent of Occurrence (EOO) is estimated as 356,392 km2 (meets Least Concern); the Area of Occupancy (AOO), 60 km2 using a 2×2 km cell (Endangered). Within Ceará the EOO is 41.4 km2 (Critically Endangered) and the AOO is 16 km2 (Endangered).