Definition of extrafloral in English:

extrafloral

adjective

Botany
  • (of a nectary) situated outside a flower, especially on a leaf or stem.

    • ‘The calyx, the subtending bracts and the two prophylls bear groups of extrafloral nectaries (single peltate trichomes).’
    • ‘This group is morphologically characterized by boat-shaped extrafloral nectar cups and a long inflorescence axis exhibiting a more racemose arrangement of the flowers.’
    • ‘But also, a small beetle was observed on a single occasion feeding on nectar from the underneath of the mesochile where a nectar drop is usually found (a possible extrafloral nectary).’
    • ‘In addition, extrafloral nectar and nectaries are widespread in Ipomoea in petioles and/or in epals that are mostly visited by ants and serve as a herbivore defence mechanism.’

Pronunciation:

extrafloral

/ˌekstrəˈflôrəl/