That part of the axis of an embryo that bears the cotyledon.

Expanded glossary of Cycad terms . 2014.

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  • mesocotyl — meso·cot·yl …   English syllables

  • mesocotyl — ˈme]zōˌkäd.əl, ˈmē], ]sō noun Etymology: mes + cotyl : an elongated portion of the axis between the cotyledon and the coleoptile of a grass seedling …   Useful english dictionary

  • Hypocotyl — Diagram of Scouler s willow (Salix scouleriana) seed, indicating position of hypocotyl. The hypocotyl (short for hypocotyledonous stem ,[1] meaning below seed leaf ) is the stem of a germinating seedling, found below the cotyledons (seed leaves)… …   Wikipedia

  • Monocotyledon — Monocotyledons Temporal range: Early Cretaceous Recent Hemerocallis flower, with three flower parts in each whorl Scientific classification Kingdom …   Wikipedia

  • Poaceae — ▪ plant family Introduction formerly called  Gramineae        grass family of monocotyledonous flowering plants, a division of the order Poales. The Poaceae are the world s single most important source of food. They rank among the top five… …   Universalium

  • epicotyl —   That part of a plant embryo above the insertion of the cotyledon.   Cf. hypocotyl, mesocotyl …   Expanded glossary of Cycad terms

  • hypocotyl —   That part of a plant embryo below the cotyledon but above the root.   See also radicle.   Cf. epicotyl, mesocotyl …   Expanded glossary of Cycad terms

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