Bull. Torrey Bot. Club 25: 317. 1898.
Leaves all in basal rosettes, living at anthesis, 10–25 cm; petiole narrowly 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.
Phenology: Flowering Jun–Aug.
Habitat: Wet meadows, gypsum soils, salt flats, alkaline depressions in the interior
Elevation: 400-1800 m
Ariz., N.Mex., Okla., Tex.