Variation in leaf structure of the invasive Madeira vine (Anredera cordifolia, Basellaceae) at different light levels

Boyne, Richard L., Osunkoya, Olusegun O., & Scharaschkin, Tanya (2013) Variation in leaf structure of the invasive Madeira vine (Anredera cordifolia, Basellaceae) at different light levels. Australian Journal of Botany, 61(5), pp. 412-417.

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Abstract

Madeira vine (Anredera cordifolia (Ten.) Steenis) is a climber in the angiosperm family Basellaceae. It is native to South America and has naturalised in Australia. It is regarded as a serious environmental weed because of the structural damage it causes to native vegetation. The present study, for the first time, documents anatomical and morphological traits of the leaves of A. cordifolia and considers their implications for its ecology and physiology. Plants were grown under three different light levels, and anatomical and morphological leaf characters were compared among light levels, among cohorts, and with documented traits of the related species, Basella alba L. Stomata were present on both the adaxial and abaxial sides of the leaf, with significantly more stomata on the abaxial side and under high light. This may account for the ability of this species to fix large amounts of carbon and rapidly respond to light gaps. The leaves had very narrow veins and no sclerenchyma, suggesting a low construction cost that is associated with invasive plants. There was no significant difference in any of the traits among different cohorts, which agrees with the claim that A. cordifolia primarily propagates vegetatively. The anatomy and morphology of A. cordifolia was similar to that of B. alba.

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ID Code: 61803
Item Type: Journal Article
Refereed: Yes
Keywords: Anatomy, Ecophysiology, Phenotypic plasticity, Weed
DOI: 10.1071/BT13083
ISSN: 0067-1924
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 CSIRO
Deposited On: 12 Aug 2013 23:22
Last Modified: 15 Aug 2013 04:27

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