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

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...

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Bibliographic Details
Published in:	Check list (Luís Felipe Toledo) Vol. 12; no. 3; pp. 1908 - 7
Main Authors:	De Andrade, Ivanilza M., Silva, M. Francilene S., Ribeiro, Thales A., Mayo, Simon J.
Format:	Journal Article
Language:	English
Published:	Sofia Pensoft Publishers 22-06-2016
Subjects:	Dracontium Endangered species Forests Range extension Threatened species Brazil
Online Access:	Get full text
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Summary:	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).
ISSN:	1809-127X 1809-127X
DOI:	10.15560/12.3.1908