Figures & data
Figure 1 Selaginella moellendorffii represents an ancient land plant lineage. (A) A simplified cladogram illustrating the evolutionary position of Selaginella in the plant kingdom. Species with fully sequenced genomes are noted in brackets. (B) The aerial part of Selaginella moellendorffii showing dichotomous branching at the shoot. (C) Selaginella root with dichotomous branching pattern. (D) Selaginella microphylls with a single, unbranched vein emerged from the stele. (E) A cross-section of Selaginella stem showing protostelic vasculature.
Figure 2 DFRC GC analysis of lignin monomer diversity in vascular plants. Arabidopsis Columbia wild type (top) and the fah 1–2 mutant (middle) serve as positive and negative controls for the presence of syringyl lignin. DFRC lignin analysis was performed as previously described.Citation17 DFRC analysis of a sample of Podocarpus macrophyllus (bottom) collected from the Chicago Botanic Garden reveals the presence of syringyl lignin in this gymnosperm. G/S, guaiacyl/syringyl lignin derivative; c/t: cis/trans; IS, internal standard.
