Bulbs without basal bulbels, 1-2 × 1-2.5 cm; inner coat cells obscure, regular or nearly so. Leaves usually 3-6; blade 1-6 mm wide, margins entire. Scape solitary, 20-60 cm. Umbel 25-60-flowered, producing capsules and seeds, bulbils almost unknown; spathe bracts 3, ovate to lanceolate. Flowers odorless, 5-8 mm; tepals spreading, lavender-pink, rarely white, thin; pedicel linear, ± stout, becoming subequal, 15-20 mm. 2n = 14, 28. Flowering May--Jul. Generally in calcareous soils; 100--600 m; Ark., Ill., Kans., Mo., Nebr., Okla., S. Dak.