Thorn: Difference between revisions
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[[Category:Glossary]]<br> | [[Category:Glossary]]<br> | ||
1. one of various sharp and pointed outgrowths of plants that can arise from | 1. one of various sharp and pointed outgrowths of plants that can arise from [[stem]]s, leaves, or [[fruit]]s; botanically, a modified twig which has tiny [[leaf scar]]s and [[bud]]s and is usually pointed and sharp; other sharp structures are prickles and [[spines]] which are technically different from thorns and each other, but which have the same overall effect.<br> | ||
2. pointed modification of a [[stem]].<br><br> | |||
2. pointed modification of a stem<br><br> | |||
http://hcs.osu.edu/images/cd0238/202/cd0238-05.jpeg<br><br> | http://hcs.osu.edu/images/cd0238/202/cd0238-05.jpeg<br><br> | ||
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http://hcs.osu.edu/images/cd0238/202/cd0238-73.jpeg<br><br> | http://hcs.osu.edu/images/cd0238/202/cd0238-73.jpeg<br><br> | ||
http://hcs.osu.edu/images/cd0238/202/cd0238-75.jpeg<br><br> | http://hcs.osu.edu/images/cd0238/202/cd0238-75.jpeg<br><br> | ||
http://www.eeob.iastate.edu/classes/botany306/terminology/vegetative/images/stems/thorn-Gleditsia.jpg<br><br> | |||
A thorn is a modified stem.<br> | |||
Source: http://www.eeob.iastate.edu/classes/botany306/terminology/vegetative/stems.html<br><br> |
Latest revision as of 10:07, 27 June 2006
1. one of various sharp and pointed outgrowths of plants that can arise from stems, leaves, or fruits; botanically, a modified twig which has tiny leaf scars and buds and is usually pointed and sharp; other sharp structures are prickles and spines which are technically different from thorns and each other, but which have the same overall effect.
2. pointed modification of a stem.
A thorn is a modified stem.
Source: http://www.eeob.iastate.edu/classes/botany306/terminology/vegetative/stems.html