Definition of introrse in English:

introrse

adjective

  • 1Botany Zoology
    Turned inwards.

    ‘Anthers are introrse and fused longitudinally through many papillae, in such a way that they form a cuff around the ovary.’
    The opposite of extrorse
    ‘Five introrse anthers are united to form a cylinder around the style while the separate filaments are attached to the base of the corolla tubes.’
    1. 1.1(of anthers) releasing their pollen towards the centre of the flower.
      ‘The ten stamens are introrse, and when elongate the anthers group in the upper part of the flower.’

Origin

Mid 19th century from Latin introrsus, from introversus ‘turned inwards’.

Pronunciation

introrse

/ɪnˈtrɔːs/