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单词 nectary
释义

nectary

/ˈnɛkt(ə)ri /
noun (plural nectaries) Botany
A nectar-secreting glandular organ in a flower (floral) or on a leaf or stem (extrafloral).The calyx, the subtending bracts and the two prophylls bear groups of extrafloral nectaries (single peltate trichomes)....
  • So these are called extra floral nectaries and this process really drives what goes on here in this forest.
  • As the flowers are proterogynous anthesis was considered to comprise the period between bud opening and the abscission of stamens and nectaries.

Origin

Mid 18th century: from modern Latin nectarium, from nectar (see nectar).

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更新时间:2024/9/24 1:24:41