Monocot seeds
As this monocot grass seed germinates, the primary root, or radicle, emerges first, followed by the primary shoot, or coleoptile, and the adventitious roots.
Source
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"OpenStax College, Pollination and Fertilization. October 17, 2013."
http://cnx.org/content/m44723/latest/Figure_32_02_10.jpg
OpenStax CNX
CC BY 3.0.
