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

Boyne, Richard L. and Osunkoya, Olusegun O. and 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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Article Link(s): http://dx.doi.org/10.1071/BT13083

Publisher URL: http://www.publish.csiro.au/paper/BT13083

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.

Item Type:Article
Business groups:Biosecurity Queensland
Keywords:anatomy, ecophysiology, phenotypic plasticity, weed.
Subjects:Science > Invasive Species > Plants
Science > Botany > Plant physiology
Deposited On:24 Nov 2013 23:25
Last Modified:08 Jun 2015 16:01

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