Article
Independent origins of syringyl lignin in vascular plants.
Proceedings of the National Academy of Sciences of the United States of America - 3 Jun 2008
Weng Jing-Ke, Li Xu, Stout Jake, Chapple Clint
Abstract excerpt
Lycophytes arose in the early Silurian ( approximately 400 Mya) and represent a major lineage of vascular plants that has evolved in parallel with the ferns, gymnosperms, and angiosperms. A hallmark of vascular plants is the presence of the phenolic lignin heteropolymer in xylem and other sclerified cell types. Although syringyl lignin is often considered to be restricted in angiosperms, it has been detected in...
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