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File:Herbaceous Dicot Stem Endodermis in Late Season Trifolium (36732856890).jpg

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cross section: Older Trifolium stem common name: Clover magnification: 400x

Like most herbaceous dicots, Trifolium dies at the end of the growing season and consequently capable of limited amounts of secondary growth

The uniseriate and cutinized epidermis contains trichomes and occasional stomata.

The narrow cortex consists of an outermost hypodermis of up to four or five layers of collenchyma, particularly well developed in areas overlying vascular bundles. The middle cortical layer consists of a zone of loosely arranged parenchyma and the deepest layer, of a band of endodermis (starch sheath) that follows the contours of the underlying vascular bundles.

Within the stele the vascular bundles are arranged in a ring and separated from each other by medullary rays of parenchyma cells.
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Source Herbaceous Dicot Stem: Endodermis in Late Season Trifolium
Author Berkshire Community College Bioscience Image Library

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
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This image was originally posted to Flickr by bccoer at https://flickr.com/photos/146824358@N03/36732856890 (archive). It was reviewed on 22 June 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

22 June 2018

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current23:58, 22 June 2018Thumbnail for version as of 23:58, 22 June 20183,264 × 1,840 (1.42 MB)Meisam (talk | contribs)Transferred from Flickr via #flickr2commons

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