Save

Wood anatomy of the neotropical liana lineage Paullinia L. (Sapindaceae)

In: IAWA Journal
Authors:
Joyce G. Chery University Herbarium and Department of Integrative Biology, University of California, Berkeley, CA 94720, USA
School of Integrative Plant Sciences and L.H. Bailey Hortorium, Cornell University, Ithaca, NY 14853, USA

Search for other papers by Joyce G. Chery in
Current site
Google Scholar
PubMed
Close
,
Israel L. da Cunha Neto Laboratory of Plant Anatomy, Department of Botany, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, São Paulo, SP 05508-090, Brazil

Search for other papers by Israel L. da Cunha Neto in
Current site
Google Scholar
PubMed
Close
,
Marcelo R. Pace Department of Botany, Instituto de Biología, Universidad Nacional Autónoma de México, Tercer Circuito s/n de Ciudad Universitaria, Mexico City 04510, Mexico

Search for other papers by Marcelo R. Pace in
Current site
Google Scholar
PubMed
Close
,
Pedro Acevedo-Rodríguez Department of Botany, Smithsonian National Museum of Natural History, 10th Street and Constitution Avenue NW, Washington, DC 20560, USA

Search for other papers by Pedro Acevedo-Rodríguez in
Current site
Google Scholar
PubMed
Close
,
Chelsea D. Specht School of Integrative Plant Sciences and L.H. Bailey Hortorium, Cornell University, Ithaca, NY 14853, USA

Search for other papers by Chelsea D. Specht in
Current site
Google Scholar
PubMed
Close
, and
Carl J. Rothfels University Herbarium and Department of Integrative Biology, University of California, Berkeley, CA 94720, USA

Search for other papers by Carl J. Rothfels in
Current site
Google Scholar
PubMed
Close
Download Citation Get Permissions

Access options

Get access to the full article by using one of the access options below.

Institutional Login

Log in with Open Athens, Shibboleth, or your institutional credentials

Login via Institution

Purchase

Buy instant access (PDF download and unlimited online access):

$40.00

Abstract

The liana genus Paullinia L. is one of the most speciose in the neotropics and is unusual in its diversity of stem macromorphologies and cambial conformations. These so-called “vascular cambial variants” are morphologically disparate, evolutionarily labile, and are implicated in injury repair and flexibility. In this study, we explore at the finer scale how wood anatomy translates into functions related to the climbing habit. We present the wood anatomy of Paullinia and discuss the functional implications of key anatomical features. Wood anatomy characters were surveyed for 21 Paullinia species through detailed anatomical study. Paullinia woods have dimorphic vessels, rays of two size classes, and both septate and non-septate fibers. Fibriform vessels, fusiform axial parenchyma, and elements morphologically intermediate between fibers and axial parenchyma were observed. Prismatic crystals are common in the axial and/or ray parenchyma, and laticifers are present in the cortex and/or the early-formed secondary phloem. Some features appear as unique to Paullinia or the Sapindaceae, such as the paucity of axial parenchyma and the abundance of starch storing fibers. Although many features are conserved across the genus, the Paullinia wood anatomy converges on several features of the liana-specific functional anatomy expressed across distantly related lianas, demonstrating an example of convergent evolution. Hence, the conservation of wood anatomy in Paullinia suggests a combination of phylogenetic constraint as a member of Sapindaceae and functional constraint from the liana habit.

Content Metrics

All Time Past Year Past 30 Days
Abstract Views 1695 209 26
Full Text Views 146 31 0
PDF Views & Downloads 147 21 0