A new species of Macrolobium (Fabaceae, Detarioideae) endemic on a Tepui of the Guyana Shield in Brazil

被引：4

作者：

Farronay, Francisco ^{[1
]}

Adrianzen, Marisabel U. ^{[1
]}

Perdiz, Ricardo De Oliveira ^{[1
]}

Vicentini, Alberto ^{[1
]}

机构：

[1] INPA, Programa Posgrad Bot, Av Andre Araujo 2-936, BR-69067375 Manaus, AM, Brazil

来源：

PHYTOTAXA | 2018年 / 361卷 / 01期

关键词：

Brazilian Amazon; Serra do Araca; white-sand forest; STATE; CAESALPINIOIDEAE; LEGUMINOSAE; AMAZONAS;

D O I：

10.11646/phytotaxa.361.1.8

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Macrolobium aracaense (Fabaceae), a new endemic treelet species from Brazil, is here described and illustrated. Morphologically it is similar to M. longipes: both are treelets, the leaflets have the same shape and are covered by papillary epidermis on the abaxial surface, and the sepals apex are minutely ciliate. Macrolobium aracaense occurs in sympatry with M. discolor var. discolor and M. gracile var. confertum in Serra do Araca State Park, Amazonas, Brazil, and these four species can be easily differentiated by morphological characters, and their similarities and differences are here discussed.

引用

页码：97 / 105

页数：9

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