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Innovation and stasis : gymnosperms from the early Permian Jambi flora
The name ‘Jambi flora’ refers to fossil plants found as part of a rock
formation from the Early Permian (296 million years old), located in the
Jambi Province of Sumatra, Indonesia.
The flora is characterized by the occurrence of both plant groups known
from classic coal swamp floras, established for tens of millions of
years, as well as newly emerging groups that in a number of cases are
making their first known occurrence there and would play an important
role in the vegetations of the Permian era. The latter are part of
distinct associations with an ecology different and generally drier than
that of the swamp flora species.
The large amount of fossil wood collected from the Jambi region allowed
for a quantitative analysis larger than anything undertaken before for
this early gymnosperm wood type. Although more than 250 different
species have...
The name ‘Jambi flora’ refers to fossil plants found as part of a rock
formation from the Early Permian (296 million years old), located in the
Jambi Province of Sumatra, Indonesia.
The flora is characterized by the occurrence of both plant groups known
from classic coal swamp floras, established for tens of millions of
years, as well as newly emerging groups that in a number of cases are
making their first known occurrence there and would play an important
role in the vegetations of the Permian era. The latter are part of
distinct associations with an ecology different and generally drier than
that of the swamp flora species.
The large amount of fossil wood collected from the Jambi region allowed
for a quantitative analysis larger than anything undertaken before for
this early gymnosperm wood type. Although more than 250 different
species have been described worldwide for this fossil wood type in the
past, the results from a morphological analysis of the Jambi material
shows it to be a coherent whole wherein no individual species can be
discerned. This throws great doubt on whether it is even possible to
distinguish traditional species in this wood type.
- All authors
- Booi, M.
- Supervisor
- Konijnenburg-van Cittert, J.H.A. van
- Co-supervisor
- Waveren, I.M. van
- Committee
- Spaink, H.P.; Smets, E.F.; Baas, P.; Burgh, J. van der; Wagner-Cremer, F.; Welzen, P.C. van
- Qualification
- Doctor (dr.)
- Awarding Institution
- Naturalis Biodiversity Center, , Science , Leiden University
- Date
- 2017-11-15