File:Angiosperm Morphology Phloem in Central Vascular Bundle of Yucca (37046635681).jpg

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cross section: Yucca leaf magnification: 400x

Vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present.

Each vascular bundle is wrapped by bundle sheath cells and supported towards adaxial and abaxial surfaces by well-developed caps of supportive sclerenchyma. Abaxial sclerenchyma caps are especially well developed in the smaller peripheral vascular bundles towards the abaxial surface.
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Source Angiosperm Morphology: Phloem in Central Vascular Bundle of Yucca
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@N03/37046635681 (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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current00:15, 23 June 2018Thumbnail for version as of 00:15, 23 June 20183,264 × 1,840 (1.14 MB)Meisam (talk | contribs)Transferred from Flickr via #flickr2commons

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