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单词 sporangium
释义

sporangium

/spəˈran(d)ʒɪəm /
noun (plural sporangia /spəˈrandʒɪə/) Botany
(In ferns and lower plants) a receptacle in which asexual spores are formed.Thousands of sporangia were also collected on a moss covered decaying conifer log on a ground site at night with the use of a flashlight....
  • In each case, fragments of lamina were collected with mature but closed sporangia.
  • The fungus can be identified microscopically by the production of its reproductive structures: the sporangiophores and sporangia.

Derivatives

sporangial

adjective ...
  • The genera are characterized by the sporangiophore and sporangial features and their relationship to and appearance of the rhizoid structures.
  • The cone axis is not visible, but the sporangial clusters appear to be arranged spirally.
  • However, closer evaluation of sporangial shape shows clearly that there is more variation within the genus than was previously suspected.

Origin

Early 19th century: modern Latin, from Greek spora 'spore' + angeion 'vessel'.

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更新时间:2024/12/27 12:31:37