Flora of North America species comparison

1–3, borne on stout, ± horizontal rhizome, elongate, cylindric or conic, 0.5–1.5 × 0.7–2 cm;

outer coats enclosing 1 or more bulbs, brown, reticulate, cells ± fine-meshed, open, fibrous;

inner coats white, cells closely parallel, elongate.

2–6, usually borne on short rhizome, ovoid-conic, 1.5–6 × 1.5–3 cm;

outer coats enclosing 1 or more bulbs, brownish to grayish, reticulate, cells finely fibrous;

inner coat white, obscurely cellular, cells irregularly arranged.

withering from tip by anthesis, 2–5, sheathing scape to ± soil level;

blade solid, flat, carinate abaxially, 20–40 cm × 2–6 mm, margins entire.

ephemeral, usually absent at anthesis, 2–3, basal;

blade solid, flat, elliptic to elliptic-lanceolate, (15–)20–30(–40) cm × 15–90 mm, tapering to long, slender petiole, margins entire.

persistent, solitary, erect, terete, 30–50 cm × 1–3 mm.

persistent, solitary, flexuous distally, terete, 10–40 cm × 2–4 mm.

persistent, erect, loose, 20–50-flowered, hemispheric-globose, bulbils unknown;

spathe bracts persistent, 1–3, 3–7-veined, lance-ovate, shorter than pedicel, apex acuminate.

persistent, erect, loose, (6–)30–50-flowered, obconic to ± hemispheric, bulbils unknown;

spathe bracts persistent, 2, ± 3-veined, lanceolate to lance-ovate, ± equal, apex acute, beakless.

substellate, 4–9 mm;

tepals spreading, white with green or brownish midveins, lanceolate to elliptic, ± equal, withering and exposing capsule, margins entire, apex obtuse or acute;

stamens included;

anthers purple;

pollen white;

ovary crestless;

style linear, ± equaling stamens;

stigma capitate, unlobed;

pedicel 10–30 mm.

campanulate, 4–7 mm;

tepals erect, white to cream or yellowish, oblong to ovate, ± equal, not withering in fruit, margins entire, apex obtuse;

stamens ± equaling tepals;

anthers white to light yellow;

pollen white;

ovary crestless;

style included, linear, shorter than stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 10–20 mm.

coat shining;

cells smooth, irregularly shaped, with ± sinuous walls.

coat shining;

cells smooth.