Editing Key lime (section)

== Description ==
[[File:A tree full of key limes in West Bengal, India.jpg|thumb|A tree full of key limes in [[West Bengal]], India]]
''C. aurantiifolia'' is a shrubby tree, growing to {{convert|5|m|ft|abbr=off}}, with many [[Thorns, spines, and prickles|thorns]]. Dwarf [[Variety (botany)|varieties]] exist that can be grown indoors during winter months and in colder climates. Its trunk, which rarely grows straight, has many branches, and they often originate quite far down on the trunk. The [[leaves]] are ovate, {{convert|2.5-9|cm||frac=2|abbr=off}} long, resembling [[Orange (fruit)|orange]] leaves (the scientific name ''aurantiifolia'' referring to this resemblance to the leaves of ''[[Citrus aurantium]]''). The [[flower]]s are {{convert|2.5|cm|in|0|abbr=on}} in diameter, are yellowish white with a light purple tinge on the margins. Flowers and fruit appear throughout the year, but are most abundant from May to September in the Northern Hemisphere.<ref>{{cite book|author1=P. Golob|author2=Food and Agriculture Organization of the United Nations |title=The use of spices and medicinals as bioactive protectants for grains |chapter=Alphabetical List of Plant Families with Insecticidal and Fungicidal Properties |chapter-url=https://books.google.com/books?id=99B3ktmecWAC&pg=PA13 |access-date=19 June 2011 |year=1999 |publisher=Food & Agriculture Org. |isbn=978-92-5-104294-6 |pages=13–}} [https://web.archive.org/web/20021218030752/http://www.fao.org/docrep/x2230e/x2230e12.htm Webarchive mirror]</ref><ref name="purdue1">[http://www.hort.purdue.edu/newcrop/morton/mexican_lime.html ''Citrus aurantiifolia'' Swingle]. Hort.purdue.edu. Retrieved on 2011-06-19.</ref>

Skin contact can sometimes cause [[phytophotodermatitis]],<ref name="Weber et al. 1999">{{cite journal |title=Phytophotodermatitis: The other 'lime' disease |last1=Weber |first1=Ian C |last2=Davis |first2=Charles P |last3=Greeson |first3=David M |year=1999 |journal= [[The Journal of Emergency Medicine]] |volume=17 |issue=2 |pages=235–237 |issn=0736-4679 |pmid=10195477 |doi=10.1016/s0736-4679(98)00159-0}}</ref><ref>{{cite web |url=http://www.patientcareonline.com/articles/phytophotodermatitis-fingers-young-child |title=Phytophotodermatitis on Fingers of a Young Child |date=2003-04-01 |website=Patient Care Online |language=en |access-date=2018-10-23}}</ref> which makes the skin especially sensitive to [[ultraviolet]] light.