Rosettes 1.5-3 × 1.5-4 dm. Leaves 12-30 × 1-3 cm; blade linear-lanceolate; marginal teeth 2-12(-15) mm, 1-2.5 cm apart; apical spine slender or stout, acicular, 2-20 cm. Scape 1.7-4 m. Inflorescences spicate, racemose or narrowly paniculate; longer lateral branches 0.5-5 cm. Flowers 2-8 per cluster, 2.3-3.2 cm; ovary 1.2-2.2 cm.