acicle

Latin acicula (“pin for a head-dress”)

The stems of Rosa acicularis have larger prickles and smaller acicles.

acicle (plural acicles)

1. A needlelike prickle or stiff spine of some animals or plants, sometimes (in plants) with a gland at the tip; acicula.

• Beentje, Henke and Williamson, Juliet. 2010. The Kew Plant Glossary: an Illustrated Dictionary of Plant Terms. Kew Publishing, Royal Botanic Gardens, Kew
• Hickey, Michael and King, Clive. 2001. The Cambridge Illustrated Glossary of Botanical Terms. Cambridge University Press

• calice, celiac