FIRST PLANTS WERE LEAFLESS. “The earliest ancestral vascular plants, dating to the late Silurian 410 Myr ago, were composed of simple or branched axial stems with sporangia but no leaves.”
http://aob.oxfordjournals.org/content/96/3/345.full.pdf
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022