Australian Biological Resources Study
Compiled by A.McCusker
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| prickle: a hard, pointed outgrowth from the surface of a plant, involving several layers of cells but not containing a vein.
spine: a stiff, sharp-pointed structure, formed by modification of a plant organ, e.g. a lateral branch or a stipule. thorn: a modified plant organ, especially a stem, that is stiffened and terminates in a pungent point. |
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