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xylem and phloem

Listing 1 - 10 from 55 for xylem and phloem

Plant Pathology Glossary
... environment. Phloem the food-conducting and food-storing tissue in the roots, stems, and leaves of vascular plants. Photosynthesis the production of carbohydrates from carbon dioxide and water ... and into the lumen of the vessel, either blocking it completely or partially. top U V Vascular pertaining to any plant tissue or region consisting of fluid-conducting tissue; for example, xylem and phloem ...
bugs.bio.usyd.edu.au

Spikemosses
... section of upright stem (10x). Cortex tissue is well developed and surrounds a central cavity which contains the vascular cylinder (stele) of xylem and phloem. Trabeculae (ribbon-like endodermal cells) connect the stele to ...
home.manhattan.edu

Lycopodium complanatum
... , are poorly supplied with leaves. The prostrate stem grows above ground. (A.) The field picture and (B.) herbarium specimen show leaves of two kinds that make a flattened frond ... c.s. of rhizome. The vascular core is "plectostelic", i.e. bearing alternating rows of xylem and phloem. Return to Main Menu Division Lycophyta
home.manhattan.edu
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Backyard Orchard Glossary
... bend. Top C Cambium A thin formative layer between the xylem and phloem of most vascular plants that gives rise to new cells and is responsible for secondary growth. Cane The woody stem of ... traits that relate to anchorage, size control, tolerance of light and heavy soils, "wet feet", specific nematodes and other plants and diseases. Top S Scion (pronounced si-on) A detached stem, usually dormant ...
homeorchard.ucdavis.edu

Glossary
... sex organs oogamy reproduction in which the female gamete is large and non-motile and the male gamete small and motile. paramylon a 1,3 glucan reserve perianth a collective term for the ... a spore-bearing leaf stele vascular tissue (the xylem and phloem together) superior ovary is exposed - above the point of attachment of the perianth and anthers strobilus a cone-shaped cluster of spore-bearing ...
scitec.uwichill.edu.bb

Pteridophytes - Introduction
... refer to non-seed vascular plants, i.e. plants with xylem and phloem whose dispersal relies on spores not seeds. (Be aware that ... sex organs but they do not have vascular tissue like Rhynia and its relatives. The first vascular plants rapidly diversified to cover ... had a warm, tropical climate. These giant club mosses and spike mosses and horsetails thrived in the vast swamps that stretched throughout ...
scitec.uwichill.edu.bb
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NYBG.org: Fusarium Wilt And Its Effect On Bananas
... Virtual Herbarium Mertz Library Steere Herbarium Hidden Partners: Mycorrhizal Fungi and Plants Vocabulary Definitions Basidiomycetes - Class of fungi belonging to the phylum ... and unlike organisms. In the case of mycorrhizae and plants, the relationship is mutually beneficial. Vascular land plants - Plants with xylem and phloem including the Lycopods, Horsetails, Ferns, and Seed Plants (conifers and ...
sciweb.nybg.org

Mosses and Liverworts
... alternation of generations) similar reproductive organs (antheridia and archegonia) lack of vascular tissue (xylem and phloem) Some 23,000 species of living mosses and liverworts have been identified. These are ... mosses (supporting the idea that mosses and liverworts are, indeed, close relatives), and in the lycopsids - vascular plants (they have xylem and phloem) that have a fossil record going ...
users.rcn.com

Bamboo
... girth by adding lateral layers of cells as in conifers and woody dicots. Instead, they have scattered vascular bundles composed of xylem and phloem tissue, each bundle surrounded by a ring of cells called a bundle sheath. The maximum diameter of bamboo stems is predetermined at the time of sprouting (see below). Unlike bamboo and ...
waynesword.palomar.edu

Open Directory - Science:Biology:Flora and Fauna:Plantae:Polypodiophyta
... xylem and phloem ) as seen in the angiosperms. Ferns are characterised by spore-producing megaphylls ("fronds") arising from a stem. The stem can vary from a horizontal, underground rhizome to tall and trunk-like. The division Polypodiophyta contains three orders, the Ophioglossales, Marattiales and the Filicales. Open Directory Science: Biology: ...
dmoz.org




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