More on phloem from Fact Monster:

• bark, in botany - bark bark, outer covering of the stem of woody plants, composed of waterproof cork cells protecting ...
• stem - stem stem, supporting structure of a plant, serving also to conduct and to store food materials. ...
• cambium - cambium cambium , thin layer of generative tissue lying between the bark and the wood of a stem, ...
• Rhyniophyta - Rhyniophyta Rhyniophyta , division of plants known only from fossils, of which the genus Rhynia was ...
• Magnoliophyta - Magnoliophyta Magnoliophyta , division of the plant kingdom consisting of those organisms commonly ...

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