Inflorescences racemose or spicate ; bractlets present or absent .
花序总状或穗状;小苞片宿存或无。
Inflorescence terminal or pseudo-lateral ( by delayed development ) , umbellate , compound-umbellate , racemose , racemose-umbellate , or racemose-paniculate , ultimate units usually umbels or heads , occasionally racemes or spikes , flowers rarely solitary ; bracts usually present , often caducous , rarely foliaceous .