1.【植】内向的
1.pointing and opening inward, as the anthers of some flowers do, releasing pollen toward the center of the flower
1.anthers on back with a pair of spurs at anther-filament junction, dehiscing by introrse-terminal and elliptic pores.
花药在背面在花药和花丝连接点具上一对距，通过内向顶生和椭圆形的孔开裂。
2.anthers longitudinally dehiscent, introrse, rarely extrorse.
花药纵向开裂，内向，很少外向。
3.anthers longitudinally or obliquely dehiscent, introrse.
纵向的花药或者间接开裂，内向。
4.anthers introrse, dehiscent lengthwise.
花药向内，纵长开裂。
5.anthers minute, versatile or not, 2( or 4)-celled, dehiscing by longitudinal slits, usually introrse.
花药小，有丁字着或无，2（或者4）室，通常向内纵向开裂。
6.anthers lanceolate, dorsifixed, extrorse to introrse, sometimes with locules confluent at apex.
花药披针形，背着，外向到侧向纵裂，有时先端药室愈合。
7.anthers dehiscing by introrse-terminal elliptic pores.
花药通过内向顶端椭圆形孔开裂的。
8.stamens 6, inserted in perianth tube, filaments equaling perianth tube, anthers small, introrse.
雄蕊6，着生于花被筒，花丝等长花被筒，小的花药，内向。
9.anthers introrse or extrorse, upright or inflexed.
花药向内或外向，直立的或内折。
10.filaments linear; anthers 2-loculed, introrse, dehiscence longitudinal.
花丝线形花药2室，向内，纵向开裂。