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Cephalotaxus - A plant genus of the family Cephalotaxaceae, order Pinales, class Pinopsida, division CONIFEROPHYTA. Members contain homoharringtonine. |
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Cupressaceae - A plant family of the order Pinales, class Pinopsida, division Coniferophyta (conifers). They are mainly resinous, aromatic evergreen trees. |
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Pinaceae - A plant family of the order Pinales, class Pinopsida, division Coniferophyta, known for the various conifers. |
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Taxaceae - A plant family of the order Taxales, class Pinopsida, division CONIFEROPHYTA. |
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Taxodiaceae - The redwood plant family of the order Pinales, class Pinopsida, division CONIFEROPHYTA (Conifers). |