Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The tissue of vascular plants that conducts food produced by photosynthesis to all parts of the plant and consists of sieve elements, fibers, and parenchyma.
from The Century Dictionary.
- noun In botany, the bast or liber portion of a vascular bundle, or the region of a vascular bundle or axis with secondary thickening which contains sieve-tubes. Compare
xylem .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) That portion of fibrovascular bundles which corresponds to the inner bark; the liber tissue; -- distinguished from
xylem .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany A
vascular tissue in land plants primarily responsible for the distribution of sugars and nutrients manufactured in the shoot.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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After a female borer lays its eggs on an ash tree, the larvae burrow through the bark and feed on vascular tissue called the phloem, cutting off the tree's supply of nutrients and starving it to death.
The Bugs Rescuing the Baseball Bats Mike Sielski 2011
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In dicots the phloem is a distinct layer separated from the xylem by a thin layer of cambial tissue
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There is a ring of small cambium cells around this merging into the phloem, which is composed of irregular cells, with pretty thick, but soft walls.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Douglas Houghton Campbell
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In the end, she would help him form cambia on the outside of his phloem.
365 tomorrows » 2010 » February : A New Free Flash Fiction SciFi Story Every Day 2010
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The disease is spread from plant to plant primarily by phloem feeding leafhoppers.
E-China-See-Ya~A Public Service Announcement « Fairegarden 2009
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—In autumn, with a great creaking and a snapping of twigs, they break away from trunks grown thick with bark and phloem, which become husks with jagged tips, or later often topple from sheer grief.
2009 June 2009
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The parasitic plants germinate on white fir branches and force their roots into the phloem of the host branch.
White fir 2009
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—In autumn, with a great creaking and a snapping of twigs, they break away from trunks grown thick with bark and phloem, which become husks with jagged tips, or later often topple from sheer grief.
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The leafhopper acquires the phytoplasma while feeding by inserting its stylet a long, slender hollow feeding structure into the phloem of infected plants and withdrawing the phytoplasma with the plant sap.
E-China-See-Ya~A Public Service Announcement « Fairegarden 2009
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Phytoplasmas live in the phloem food conducting tissues of their host plant.
E-China-See-Ya~A Public Service Announcement « Fairegarden 2009
jwjarvis commented on the word phloem
Honeydew is a sugar-rich sticky substance, secreted by aphids and some scale insects as they feed on plant sap. When their mouthpart penetrates the phloem, the sugary, high-pressure liquid is forced out of the gut's terminal opening.
September 2, 2010