- turned or facing outward, as anthers that open toward the perianth.
Origin of extrorse
1855–60; < Late Latin extrorsus in outward direction, equivalent to extr(a)- extra- + (v)orsus (adv.) turned
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for extrorse
Stamens 6–12, more or less united with the style; anthers adnate, extrorse.
Filaments thread-like, much longer than the linear-oblong blunt anthers, which are fixed by a point above the base and extrorse.
Anthers heart-shaped or kidney-shaped, confluently 1-celled, shield-shaped after opening, extrorse.
- botany turned or opening outwards or away from the axisextrorse anthers
C19: from Late Latin extrorsus in an outward direction, from Latin extra- + versus turned towards
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Facing outward, away from the central axis around which a flower is arranged. Used of anthers and the direction in which they open to release pollen.
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