Indusium meaning

ĭn-do͝ozē-əm, -zhē-, -dyo͝o-
Frequency:
An enclosing membrane, as that covering the sorus of a fern.
noun
0
0
An enclosing membrane, as that covering the sorus of a fern.
noun
0
0
A thin membrane covering the sorus of a fern. The indusium often shrivels away when spores are ready to be dispersed.
0
0
A cuplike structure fringed with hairs and located at the top of the style in flowers of the family Goodeniaceae (which includes the garden flowers lobelia and scaevola). Pollen is deposited into the indusium by the anthers of the same flower and, as the style grows, carried up for dispersal by pollinating insects.
0
0
A protecting membrane, especially that covering the developing spores of a fern.
noun
0
0
Advertisement

Origin of indusium

  • Latin tunic perhaps alteration of Greek endusis dress from enduein to sink into, put on en- in en–2 duein to sink

    From American Heritage Dictionary of the English Language, 5th Edition