ERA

Download the full-sized PDF of Vegetative Growth of Decodon allenbyensis (Lythraceae) from the Middle Eocene Princeton Chert with Anatomical Comparisons to Decodon verticillatus.Download the full-sized PDF

Analytics

Share

Permanent link (DOI): https://doi.org/10.7939/R3FB4WP50

Download

Export to: EndNote  |  Zotero  |  Mendeley

Communities

This file is in the following communities:

Biological Sciences, Department of

Collections

This file is in the following collections:

Journal Articles (Biological Sciences)

Vegetative Growth of Decodon allenbyensis (Lythraceae) from the Middle Eocene Princeton Chert with Anatomical Comparisons to Decodon verticillatus. Open Access

Descriptions

Author or creator
Little, S.A.
Stockey, R.A.
Additional contributors
Subject/Keyword
Onagraceae
Eocene
Lythraceae
Decodon
Myrtales
phellem
aquatic plants
Myrtaceae
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Large numbers of roots and stems of aquatic Lythraceae have been found in association with fruits and seeds of Decodon allenbyensis Cevallos-Ferriz et Stockey in the Princeton chert, British Columbia, Canada. The permineralized fossils come from layer 43 in the chert, part of the Middle Eocene, Allenby Formation. Vegetative remains were studied using the cellulose acetate peel technique in an attempt to reconstruct the whole plant of D. allenbyensis. Reconstruction is based on close anatomical comparisons of tissues in the fossil organs to those of extant Decodon verticillatus (L.) Ell. and on attachment of organs and tissue systems. A detailed description of both root and stem wood anatomy is provided for the fossil species. Stem anatomy is revised for extant D. verticillatus, and detailed root anatomy is described for the first time using paraffin sectioning techniques and scanning electron microscopy. Fossil roots and stems show diffuse porous wood with vessels that are solitary or in radial multiples of two to five with numerous tyloses. Heterocellular rays vary from one to at least five cells wide. Secondary phloem with clusters of thick-walled fibers is preserved in some axes. Most roots and some stems show distinctive concentric layers of thin-walled lacunate phellem, characteristic of submerged aquatics. This tissue has been described in extant Decodon J.F. Gmelin and other Lythraceae. Anatomy of D. allenbyensis indicates that these plants were growing under submerged conditions with stable water levels at the edge of a quiet body of fresh water.
Date created
2003
DOI
doi:10.7939/R3FB4WP50
License information
Rights
Copyright 2003 by The University of Chicago
Citation for previous publication
Little, S.A., and Stockey, R.A. (2003). Vegetative Growth of Decodon allenbyensis (Lythraceae) from the Middle Eocene Princeton Chert with Anatomical Comparisons to Decodon verticillatus. International Journal of Plant Sciences , Vol. 164, No. 3, 453-469
Source
Link to related item

File Details

Date Uploaded
Date Modified
2014-04-24T23:35:11.775+00:00
Audit Status
Audits have not yet been run on this file.
Characterization
File format: pdf (Portable Document Format)
Mime type: application/pdf
File size: 2848577
Last modified: 2015:10:12 16:03:53-06:00
Filename: IJOPS_164_2003_453.pdf
Original checksum: d75b8d77823d033c6d87ef9f21b30b2e
Well formed: false
Valid: false
Status message: Invalid page dictionary object offset=2847787
File title: Vegetative Growth of <italic>Decodon allenbyensis</italic> (Lythraceae) from the Middle Eocene Princeton Chert with Anatomical Comparisons to <italic>Decodon verticillatus</italic>
File language: en
Activity of users you follow
User Activity Date