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What do we know about parasitic plants and the leaf economic spectrum?
Journal of Plant Ecology ( IF 2.7 ) Pub Date : 2021-09-28 , DOI: 10.1093/jpe/rtab113
Audrey F Haynes 1
Affiliation  

Abstract
The leaf economic spectrum (LES) quantifies correlations between key leaf traits across vascular plants and distills much of the variation in these traits to a single axis. The LES, remarkable in its near universality, has been extensively researched across a variety of contexts. However, parasitic plants relationship to the LES framework remains relatively unexplored. Because the LES is, in part, driven by physiological tradeoffs in the acquisition of carbon (C), in theory heterotrophy in parasitic plants, which supplants some of the essential functions of leaves, could lead to departures from the LES. Using global leaf trait data from the TRY database, this work assessed the overall representation of parasitic plants in the TRY database, then compared the LES suite of leaf traits in parasitic plants to their non-parasitic counterparts. Despite their unique physiology, parasitic plants did not deviate dramatically from the LES, although there were examples of differences in position on the LES and relationships among traits. Perhaps more importantly, parasitic plants are not well-represented in the TRY database, making any conclusions here premature.


中文翻译:

我们对寄生植物和叶片经济谱了解多少?

摘要
叶片经济谱 (LES) 量化了维管植物中关键叶片性状之间的相关性,并将这些性状的大部分变异提取到单个轴上。LES 以其近乎普遍的特性而著称,已在各种背景下进行了广泛的研究。然而,寄生植物与 LES 框架的关系仍然相对未开发。因为 LES 部分是由获得碳 (C) 的生理权衡驱动的,理论上,寄生植物的异养性取代了叶子的一些基本功能,可能导致偏离 LES。使用来自 TRY 数据库的全球叶片性状数据,这项工作评估了 TRY 数据库中寄生植物的整体表现,然后将寄生植物中的 LES 叶性状套件与其非寄生对应物进行了比较。尽管有独特的生理学,寄生植物并没有显着偏离 LES,尽管在 LES 上的位置和性状之间的关系存在差异的例子。也许更重要的是,寄生植物在 TRY 数据库中没有得到很好的体现,因此在这里得出任何结论还为时过早。
更新日期:2021-09-30
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