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.

1–3, bearing cluster of short-stalked, basal bulbels, ovoid, 1.2–2 × 1.2–2 cm;

outer coats enclosing 1 or more bulbs, brownish, reticulate, cells very coarse-meshed, open, fibrous;

inner coats whitish, cells contorted, walls very sinuous.

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.

green at anthesis, persistent, 3–6, basally sheathing;

blade solid, flat, channeled, 10–40 cm × 1–4 mm, margins entire.

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

persistent, often 2 or more successively produced from single bulb, erect, ± terete, 10–45 cm × 1–4 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, usually 10–25-flowered, hemispheric-globose, bulbils unknown;

spathe bracts persistent, usually 3, 3–7-veined, ovate, ± equal, apex acuminate.

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.

urceolate, 5–7 mm;

tepals erect, white with pinkish midribs, aging to pink, lanceolate, ± equal, becoming callous-keeled and permanently investing capsule, margins entire, apex obtuse or even emarginate to acute;

stamens ± equaling tepals;

anthers yellow;

pollen yellow;

ovary crestless;

style linear, equaling stamens;

stigma capitate, unlobed or obscurelylobed, pedicel 8–28 mm, elongating in fruit.

coat shining;

cells smooth, irregularly shaped, with ± sinuous walls.

coat shining;, cells smooth.

= 14.