adj.[植][动](花药)向外的;向轴外的
Stamens equal in number to tepals;filaments flat;anthers extrorse. 雄蕊与花被同数花丝平花药外向。
anthers 2-thecate, extrorse, thecae parallel; 花药2囊,外向,囊平行;
anthers extrorse, longitudinally dehiscent; 外向的花药,纵向开裂;
anthers narrowly elliptic, extrorse. 花药狭椭圆形,外向。
anthers latrorse, introrse, or extrorse; 花药侧向纵裂的,向内,或者外向;
adv.向外地;外向地;外倾地