The botanical term “spur” is given to outgrowths of tissue on different plant organs. The most common usage of the term in botany refers to nectar spurs in flowers.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Utricularia_sandersonii_flower1.jpg/250px-Utricularia_sandersonii_flower1.jpg)
The botanical term “spur” is given to outgrowths of tissue on different plant organs. The most common usage of the term in botany refers to nectar spurs in flowers.