Belongs within: Tracheophyta.Contains: Archaeopteridales, Lagenostomales, Apo-Spermatophyta. The Lignophyta comprises the clade of wood-producing plants, defined by Cantino et al. (2007) as the most inclusive clade characterised by a bifascial vascular cambium (a meristematic layer producing secondary xylem on the inner face and secondary phloem on the outer face) homologous with that of Pinus sylvestris. Synapomorphies… Continue reading Lignophyta

Categorised as Lignophyta


Belongs within: Lignophyta. The Urbaum Published 18 February 2015 It appears that it’s been over a month now since I last posted anything at this site. I’m not going to go back and check, but I think this may be the longest hiatus that Catalogue of Organisms has been through since I first launched it… Continue reading Archaeopteridales