Spine (botany) 233820 217317774 2008-06-05T14:43:24Z Idioma-bot 2964546 robot Adding: [[gn:Ñuatĩ]] [[Image:Wait-a-bit_stem.jpg|thumb|Raised spines on the stem of ''[[Caesalpinia decapetala]]''.]] '''Spines''' are leaves that have been modified into cylindrical, hard structures with sharp ends. They are occasionally called [[thorn (botany)|thorns]], which is incorrect (thorns are modified branches or stems). Similar to [[Plant spines, prickles and thorns|prickles and thorns]] they are used by plants to protect themselves from herbivores. == References == *Esau, K. 1965. ''Plant Anatomy'', 2nd Edition. John Wiley & Sons. 767 pp. *Llamas, K. A. 2003. ''Tropical Flowering Plants''. Timber Press, Portland. 423 pp. [[Category:Plant morphology]] [[gn:Ñuatĩ]] [[cs:Osten (rostliny)]] [[da:Torn]] [[de:Dorn (Botanik)]] [[fr:Épine]] [[gd:Dealg]] [[it:Spina]] [[lt:Rakis]] [[ln:Nzúbɛ]] [[hu:Tüske]] [[nl:Doorn (plant)]] [[pl:Cierń]] [[pt:Espinho (botânica)]] [[qu:Kichka]]