introrse

[ in-trawrs ]

adjective

, Botany.

1. turned or facing inward, as anthers that open toward the gynoecium.

introrse

/ ɪnˈtrɔːs /

adjective

1. botany turned inwards or towards the axis, as anthers that shed their pollen towards the centre of the flower

introrse

/ ĭn′trôrs′ /

1. Facing inwards toward the axis around which a flower is arranged. Used of anthers and the direction in which they open to release pollen.

Derived Forms

• inˈtrorsely, adverb

Other Words From

• in·trorsely adverb

Word History and Origins

Origin of introrse¹

1835–45; < Latin introrsus, contraction of *intrōversus toward the inside. See intro-, versus

Word History and Origins

Origin of introrse¹

C19: from Latin introrsus, contraction of intrōversus, from intro- + versus turned, from vertere to turn

Example Sentences

Proper stamens 5, alternate with the petals, persistent; anthers introrse or subextrorse.

From Project Gutenberg

Stamens 6, inserted at the base of the divisions; filaments slender, anthers short, introrse.

From Project Gutenberg

Stamens 6; anthers linear, on short filaments, adnate, usually introrse; the cells opening down the margins.

From Project Gutenberg

Filaments awl-shaped; anthers short, innate or somewhat introrse, 2-celled.

From Project Gutenberg

Sometimes, from their versatile nature, anthers originally introrse become extrorse, as in the Passion-flower and Oxalis.

From Project Gutenberg