extrorse
[ ek-strawrs, ek-strawrs ]
/ ɛkˈstrɔrs, ˈɛk strɔrs /
adjective Botany.
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
OTHER WORDS FROM extrorse
ex·trorse·ly, adverbWords nearby extrorse
Example sentences from the Web for extrorse
Anthers heart-shaped or kidney-shaped, confluently 1-celled, shield-shaped after opening, extrorse.
Filaments thread-like, much longer than the linear-oblong blunt anthers, which are fixed by a point above the base and extrorse.
Stamens 6–12, more or less united with the style; anthers adnate, extrorse.
British Dictionary definitions for extrorse
extrorse
extrorsal
/ (ɛkˈstrɔːs) /
adjective
botany
turned or opening outwards or away from the axis
extrorse anthers
Word Origin for extrorse
C19: from Late Latin
extrorsus in an outward direction, from Latin
extra- +
versus turned towards
Scientific definitions for extrorse
extrorse
[ ĕk′strôrs′ ]
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.