Plant development

<p>Important structures in plant development are <a href="/facts/Buds/RzY3fxRD">buds</a>, <a href="/facts/Shoot_(botany)/ML2z0pru">shoots</a>, <a href="/facts/Root/Hk7ucczM">roots</a>, <a href="/facts/Leaf/1m6wCNTg">leaves</a>, and <a href="/facts/Flower/7gI5Kefw">flowers</a>; <a href="/facts/Plant/X5BMDMvS">plants</a> produce these tissues and structures throughout their life from <a href="/facts/Meristem/YlMKp2W5">meristems</a> located at the tips of organs, or between mature tissues. Thus, a living plant always has embryonic tissues. By contrast, an animal <a href="/facts/Embryo/9QHnLVLN">embryo</a> will very early produce all of the body parts that it will ever have in its life. When the animal is born (or hatches from its egg), it has all its body parts and from that point will only grow larger and more mature. However, both plants and animals pass through a <a href="/facts/Phylotypic_stage/5bq89ke1">phylotypic stage</a> that evolved independently and that causes a developmental constraint limiting morphological diversification.
</p><p>According to <a href="/facts/Plant_physiology/zAh2o1Ao">plant physiologist</a> <a href="/facts/A._Carl_Leopold/9Waeu98v">A. Carl Leopold</a>, the properties of organization seen in a plant are <a href="/facts/Emergence/8zJT8spB">emergent properties</a> which are more than the sum of the individual parts. "The assembly of these tissues and functions into an integrated multicellular organism yields not only the characteristics of the separate parts and processes but also quite a new set of characteristics which would not have been predictable on the basis of examination of the separate parts."
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Plant development open-in-new

Plant development