2.Plant Growth and development The uptake of water by seeds is called imbibition. Foliage leaves Cotyledon Foliage leaves Hypocotyl Epicotyl Cotyledon Coleoptile Hypocotyl Coleoptile Hypocotyl Radicle Seed coat Radicle (a)Bean (c)Corn Bean is epigeal Foliage leaves 子叶出土 Hypocotyl -Epicotyl Pea and Corn are hypogeal Cotyledon FORAGES 子叶留土 Hypocotyl Radicle (b)Pea CopyrightPearson Education.Inc publishing as Benjamin Cummings. __________________________________________________________________ College of animal science, Northwest Agriculture & Forestry University  西北农林科技大学动物科技学院草业科学系 Copyright reseved by Long Mingxiu  Bean is epigeal  子叶出土 Pea and Corn are hypogeal  子叶留土 The uptake of water by seeds is called imbibition.  2.Plant Growth and development