1Turned inwards.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.’
- ‘Anthers are introrse and fused longitudinally through many papillae, in such a way that they form a cuff around the ovary.’
- 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.’
Mid 19th century: from Latin introrsus, from introversus turned inwards.