Comparative morphoanatomy of Piper arboreum Aubl. var. arboreum and Piper tuberculatum Jacq. var. tuberculatum leaves

被引：1

作者：

de Oliveira Machado, Nelson Santana ^{[1
]}

Pereira, Flaviane Gomes ^{[2
]}

de Queiroz, George Azevedo ^{[3
]}

Guimaraes, Elsie Franklin ^{[3
]}

Costa, Cecelia Goncalves ^{[3
]}

机构：

[1] Colegio Mil Rio de Janeiro, BR-20550010 Rio De Janeiro, RJ, Brazil

[2] Univ Fed Rio de Janeiro, Ave Brigadeiro Trompowski 221, BR-21941590 Rio De Janeiro, RJ, Brazil

[3] Inst Pesquisas Jardim Bot Rio de Janeiro, Rua Pacheco Leao 915, BR-22460030 Rio De Janeiro, RJ, Brazil

来源：

IHERINGIA SERIE BOTANICA | 2017年 / 72卷 / 01期

关键词：

flora; leaf anatomy; Piperaceae; taxonomy; CLASSIFICATION; PHYLOGENY; DIVERSITY; STEM;

D O I：

10.21826/2446-8231201772109

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Anatomical descriptions of Piper arboreum Aubl. var. arboreum and P. tuberculatum Jacq. var. tuberculatum that are found in Dense Rainforest in Tijuca are presented in this study. The material was examined according with the usual anatomical techniques. Important differences between the taxa were observed. In P. arboreum the sheath is furrowed and contained conspicuous intercellular spaces, the leaf blade contains biestratified hypodermis, unistratified palisade parenchyma, and a concave-convex midrib. P. tuberculatum presents circinate sheath with small intercellular spaces, the leaf blade has unistratified hypodermis, biestratified palisade parenchyma and a convex midrib. The anatomical analysis corroborate the delimitation of the two taxa as distinct.

引用

页码：106 / 113

页数：8

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