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单词 extrafloral
释义

extrafloral

/ˌɛkstrəˈflɔːr(ə)l/
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)....
  • 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.
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更新时间:2025/2/3 11:31:57