The white inflorescences are 3 -- 8 cm long .
The white inflorescences comprise lax cymose clusters , sometimes with only 1 or 2 flowers ; the corolla tubes are 2.5 -- 3.5 mm long .
The white inflorescences are 3 -- 8 cm long and comprise lax cymose clusters , sometimes with only 1 or 2 flowers ; the corolla tubes are 2.5 -- 3.5 mm long .