The Virtual Petrified Wood Museum. Dedicated to the Exhibition and Educational Study of Permineralized Plant Material
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Permian: 299-251 Million Years Ago
Gallery: Brazil, South America
Grammatopteris
Tree Fern Close-Up
Grammatopteris freitasii
Bieland, Maranhao Province, Brazil
Pedra de Fogo Formation
Permian
The central circular vascular cylinder is surrounded by the initial leaf and root traces, which take on a star-shape in this Grammatopteris freitasii.
The close-up below shows a large leaf trace and smaller root traces making up the root mantle of Grammatopteris freitasii.
A closer image of a Grammatopteris freitasii aerial root below.

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