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- Flowering plant (29088 bytes)
12: ...agnoliophyta''') are one of the major groups of modern [[plant]]s, comprising those that produce [[see...
16: ...ce of truly naked ovules in the [[Cycadophyta|Cycadeae]] and [[Pinophyta|Coniferae]], entitling them t...
17: [[Image:IR_8091B.jpg|thumb|250px|left|Image provided by [http://classroomclipart.com Classroom Clip A...
18: ...hen gradually came to be accepted as the suitable designation for the whole of the flowering plants ot...
19: ..._012A_carnations.jpg|thumb|250px|right|Image provided by [http://classroomclipart.com Classroom Clip A... - Tree (23723 bytes)
3: ...ennial]], woody [[plant]]. Though there is no set definition regarding minimum size, the term generall...
8: ...nkiaer.jpg|250px|right|thumb|An [[oak]] tree in [[Denmark]]]]
9: ...iology)|families]] of plants. Trees thus show a wide variety of growth form, leaf type and shape, bark...
13: ...lled a '''[[forest]]'''. Several [[biotope]]s are defined largely by the trees that inhabit them; exam...
16: ...]] consists of ''xylem'' cells, and [[bark]] is made of ''phloem'' and other tissues external to the v... - Vascular plant (3349 bytes)
26: ...ry action]] and [[transpiration]] work to allow [[xylem]] carry water and sap upward toward the leaves fr...
28: ...ascular tissues. A vascular tissue is composed of xylem of phloem, this tissue can give the plant more st...
30: ...phloem and cambium cells in stems of plants descended from the procambium embryonic tissue layer.
32: ... layer of lateral meristematic tissue between the xylem and phloem in the stems of woody plants. Lateral ...
34: ...ed by the vascular tissue of a plant root; surrounded by parenchymal ground tissue. - Leaf (20580 bytes)
4: ...le. Note areas where chlorophyll (green) has been destroyed now appear yellow.]]
8: ...species to species is presented in detail below under <u>Leaf types, arrangements, and forms</u>.
10: A leaf is considered to be a plant organ, typically consisting of t...
11: # An '''epidermis''' that covers the upper and lower surfaces
15: === Epidermis === - Root (9635 bytes)
3: ...eaves, and therefore also lacks [[Node (botany)|nodes]]. There are also important internal structural ...
7: ...[Meristem|apical meristem]]'''. The root cap provides mechanical protection to the meristem cells as t...
9: ...he process by which water is absorbed into the epidermal cells from the soil is known as '''''[[osmosi...
11: ...er can only flow in one direction through the endodermis: in towards the center of the root, rather th...
13: ...ith]] or center, whereas in [[dicotyledon]]s, the xylem cells form a central "hub" with lobes, and phloem...
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