August 12, 2022 A new page on Nearest Living Relative methods has been added to the paleoecology chapter. NLR methods use the nearest living modern relatives of fossil plants in order to estimate paleoclimate.. Explore here: https://www.digitalatlasofancientlife.org/learn/paleoecology/paleoclimate/nlr/ Image: The cycad Dioon spinulosum cultivated in a greenhouse. Photo by Elizabeth J. Hermsen (DEAL).
Branching
January 27, 2021 A new page has been added to the Embryophytes chapter of Digital Encyclopedia of Ancient Life (DEAL): Branching. This page explores the types of branching in plant shoots and roots and discusses monopodial and sympodial growth. It is part of the section “Introduction to vascular plant structure.” Image credits: Lepidodendron YPM PB 054238 (by Fiona O’Brien); Asterophyllites YPM PB 000699 (by Robert Swerling); Metasequoia …
Leaf Structure & Evolution
June 4, 2020 A new page has been added to the Embryophytes chapter of Digital Encyclopedia of Ancient Life (DEAL): Leaf structure & evolution. This page explores the identity, structure (morphology and anatomy), and origins of leaves. It is part of the section “Introduction to vascular plant structure.”