[ek-struh-flawr-uhl, -flohr-]
adjective Botany.
situated outside the flower, as a nectary.

extra- + floral

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World English Dictionary
extrafloral (ˌɛkstrəˈflɒrəl)
produced or occurring outside a flower: extrafloral nectar; extrafloral nectary

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Pitcher plants function as pitfall traps for insects attracted to extrafloral nectar.
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