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.

usually solitary, not clustered on stout, primary rhizome, ovoid to globose, 1–1.8 × 1–1.5 cm;

outer coats enclosing bulb, reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats pale brown, cells obscure, quadrate.

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.

persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface;

blade solid, terete, 15–25 cm × 1–4 mm.

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

persistent, solitary, erect, solid, terete, 4–17 cm × 1–2.5 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, compact, 5–50-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 3–8-veined, lanceolate to lance-ovate, ± equal, apex long-acuminate to setaceous.

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, 10–18 mm;

tepals erect, deep reddish purple, linear-lanceolate to lance-ovate, ± equal, becoming rigid in fruit, margins entire, apex acute to obtuse, recurved-spreading at tips;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

processes 6, prominent, ± triangular, margins entire, surfaces usually papillate;

style linear, equaling stamens;

stigma capitate, 3-lobed, lobes slender, recurved;

pedicel 6–19 mm.

coat shining;

cells smooth, irregularly shaped, with ± sinuous walls.

coat dull or shining;

cells minutely roughened.

= 14.