extrorse

/ek-strawrs, ek-strawrs/US // ɛkˈstrɔrs, ˈɛk strɔrs //UK // (ɛkˈstrɔːs) //

外来人员,外来者,外来的,外来客

Definitions

adj.形容词 adjective

1
Botany.
- : turned or facing outward, as anthers that open toward the perianth.

Stamens 3, opposite the outer lobes of the corolla-like perianth; anthers 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.
Sometimes, from their versatile nature, anthers originally introrse become extrorse, as in the Passion-flower and Oxalis.