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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A plant characterized by wood, bark and pith, the wood forming a layer between the other two, and growth only occurring on the outside.

from the GNU version of the Collaborative International Dictionary of English

  • n. A plant belonging to one of the greater part of the vegetable kingdom, and which the plants are characterized by having c wood bark, and pith, the wood forming a layer between the other two, and increasing, if at all, by the animal addition of a new layer to the outside next to the bark. The leaves are commonly netted-veined, and the number of cotyledons is two, or, very rarely, several in a whorl. Cf. endogen.

from The Century Dictionary and Cyclopedia

  • n. In botany, a plant in which the growth of the stem is in successive concentric layers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. flowering plant with two cotyledons; the stem grows by deposit on its outside


exo- + -gen: compare French exogène. (Wiktionary)



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