Inflorescence & flowers: Cymes dense, short, and much accrescent after anthesis. Calyx tomentose, white, with oblong-linear lobes. Corolla slightly longer than the calyx, purplish-violet to bluish; lobes triangular. Filaments very long and rigid, giving the plant its characteristic aspect.
الثمار والبذور
Fruit: Nutlets without distinct margins, covered with glochidiate spines.
الموائل والبيئة
Habitat & elevation: High-mountain slopes and alpine regions.