Manihot macrocarpa (Euphorbiaceae), an unusual rain forest species from Brazil

MÁRCIO LACERDA LOPES MARTINS; PAULO CEZAR LEMOS DE CARVALHO; CARLOS ALBERTO DA SILVA LEDO; ANDRÉ MÁRCIO AMORIM

doi:10.11646/phytotaxa.309.2.10

Issue: Vol. 309 No. 2: 13 June 2017

Type: Article

Published: 2017-06-13

DOI: 10.11646/phytotaxa.309.2.10

Page range: 179–183

Abstract views: 18

PDF downloaded: 1

Manihot macrocarpa (Euphorbiaceae), an unusual rain forest species from Brazil

MÁRCIO LACERDA LOPES MARTINS⁺⁻
PAULO CEZAR LEMOS DE CARVALHO⁺⁻
CARLOS ALBERTO DA SILVA LEDO⁺⁻
ANDRÉ MÁRCIO AMORIM⁺⁻

Universidade Federal do Recôncavo da Bahia, Centro de Ciências Agrárias, Ambientais e Biológicas, Rua Ruy Barbosa, 710, Centro, CEP 44.380-000, Cruz das Almas, Bahia, Brazil.

Embrapa Mandioca e Fruticultura, Rua Embrapa, s/n, CEP 44.380-000, Cruz das Almas, Bahia, Brazil.

Universidade Estadual de Santa Cruz, Departamento de Ciências Biológicas, km 16 da Rodovia Ilhéus-Itabuna, CEP 45662-900, Ilhéus, Bahia, Brazil. Herbário Centro de Pesquisas do Cacau, CEPEC, km 22 da Rodovia Ilhéus-Itabuna, CEP 45.650-970, Ilhéus, Bahia, Brazil.

conservation Malpighiales taxonomy wild cassava Eudicots

Requires Subscription or Fee PDF (4MB)

Abstract

Manihot macrocarpa is described and illustrated. This species resembles M. compositifolia because of its lianescent habit and indehiscent fruits, but differs by its simple, unlobed leaves and orbicular fruits (vs. compound, [3–]5[–7]-foliolate leaves and ellipsoid fruits in M. compositifolia). Manihot macrocarpa occurs in areas of rain forest in southern Bahia State. It is considered endangered (EN B1) because it has an extent of occurrence smaller than 5,000 km² and is known from no more than five locations. A key to Manihot species with indehiscent fruits and comments about the new species are provided.