1. The staminal filament of feverfew is detached, antheral combination, say to get together medicine is staminal.

2. They belong to staminal nectaries. The nectaries consist of epidermis and nectariferous tissue.

3. Staminal column glabrous with anthers clustered at apex; anthers yellow and compact.

4. Staminal basilar handle state share, have the effect with support and antheral extend.

5. Corolla salverform, tube cylindric, dilated at staminal insertion, lobes overlapping to left or to right.

6. A structure formed by the union of staminal filaments, as in many members of the Malvaceae; the united filaments and style in the Orchidaceae. Figures 265 and 266.

7. Corollaceous weak pink, inside have purple spot, staminal filament does not have wool.

7. try its best to collect and make good sentences.

8. Petals (3 or)4 or 5(or 6), rarely more, distinct or connate, sometimes adnate to staminal tube and then valvate.

9. Ovary grows about 2 millimeter, 5 rooms, close by scale, style is more staminal long, without wool and scale.

10. Calyx and leaf are similar, labellum 3 crack, base the ministry surrounds staminal lower part, in lobation extend and remarkable.

11. Stamen is most, helix is arranged, centrifugal direction development, sometimes little at 10, often have degrade staminal .

12. They have a unique arrangement of flower parts with a staminal tube that surrounds a long, slender style that is split into separating branches at the top.