File:Angiosperm Morphology Midrib Vascular Bundle of Syringa Leaf (36871491751).jpg

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cross section: Syringa leaf magnification: 400x

Both midrib and smaller vascular bundles in the blades are collateral with large thick-walled xylem vessels towards the adaxial surface and smaller sieve tubes and companion cells of phloem towards the abaxial surface of the leaf. A largely parenchymatous ring of bundle sheath cells is present but difficult to distinguish in all but the smallest vascular bundles.

Large masses of collenchyma support mid rib and larger vascular bundles towards the adaxial and abaxial surfaces, but do not extend into the blade.
Date
Source Angiosperm Morphology: Midrib Vascular Bundle of Syringa Leaf
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.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

This image was originally posted to Flickr by bccoer at https://flickr.com/photos/146824358@N03/36871491751 (archive). It was reviewed on 23 June 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

23 June 2018

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current00:12, 23 June 2018Thumbnail for version as of 00:12, 23 June 20183,264 × 1,840 (6.04 MB)Meisam (talk | contribs)Transferred from Flickr via #flickr2commons

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