Leaves all in basal rosettes, living at anthesis, 10-25 cm; petiole nar-rowly winged distally, 0.1-9 cm, shorter than blade; blade oblong-spatulate, obovate, or elliptic, 4-16 × 1.5-6.5 cm, leathery, base gradually tapered, margins entire, apex rounded or retuse, often short-cuspidate, cusp less than 1 mm; main lateral veins ascending, obscurely pinnate. Inflorescences: axes not winged, 30-60(-100) cm × 2-3 mm, glabrous; nonflowering branchlets absent; spikelets densely aggregated at tips of branchlets, internodes 0.5-3 mm; subtending bracts 1-5 mm, apex obtuse, surfaces and margins glabrous; flowers 1-3 per spikelet. Flowers: calyx whitish distally, with reddish brown ribs, obconic to slightly funnelform, 3.5-5 mm, ribs usually densely pubescent; tube ca. 3 mm; lobes spreading at maturity, 0.5-1.5 × 1-1.5 mm; petals blue to nearly white, not exceeding calyx. Utricles 2.5-3 mm.
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