Flora of North America species comparison

1–5, not clustered on stout, primary rhizome, increase bulbs ± equaling parent bulbs, never appearing as basal cluster, rhizomes absent, globose to ovoid, 1–2 cm × 8–20 mm;

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

inner coats white or light brown, cells absent or obscure and ± quadrate.

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.

deciduous with scape after seeds mature, 2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, falcate, 6–15 cm × 2–4 mm, margins entire or obscurely papillose.

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.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, strongly flattened, 2-edged or winged distally, wings obscurely papillose, 4–8 cm × 1–3 mm.

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

decisuous with scape, erect, compact, 5–12-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 3-veined, broadly ovate, ± equal, apex acute.

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.

campanulate, 6–8 mm;

tepals erect, white or pinkish with green midribs, becoming reddish purple, broadly elliptic-oblong, ± equal, becoming rigid, papery and ± connivent over fruit, margins entire, apex obtuse, not involute at tip;

stamens included;

anthers purple;

pollen white to gray;

ovary crestless or obscurely crested;

processes 3, central, rounded, margins entire;

style linear, equaling stamens;

stigma capitate, unlobed or minutely 3-lobed;

pedicel 2–10.5(–18.5 in fruit) 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 dull;

cells smooth.

coat shining;

cells smooth.

= 14.