Flora of North America species comparison

1–15+, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 0.6–1.5 × 0.6–1.3 cm;

outer coats enclosing 1 or more bulbs, brown, prominently cellular-reticulate, membranous, cells in ± vertical rows, forming irregular herringbone pattern, transversely elongate, V-shaped, without fibers;

inner coats usually dark red, sometimes white to pink, cells obscure, quadrate.

3–4, not clustered on stout, primary rhizomes, ovoid, asymmetric, 2.5–3 × 2–5 cm;

outer coats enclosing 1 or more bulbs, light yellow to light brown, thin, papery, chartaceous, cells narrow, vertically elongate, without fibers;

inner coats white, cells narrow, vertically elongate.

persistent, withering from tip at anthesis, 2–4, basally sheathing, sheaths not extending much above soil surface;

blade solid, subterete or ± channeled, 10–36 cm × 0.5–2 mm, margins entire.

usually persistent, 3–6, scarcely ensheathing scape even basally, sheaths not extending much above soil surface;

blade solid, flat, broadly channeled, 10–60 cm × 10–25 mm, margins entire.

persistent, solitary, erect, solid, terete, 15–50 cm × 3–5 mm.

usually persistent, solitary, erect, solid, terete, fistulose, 60–100 cm × 5–10 mm.

shattering after seeds mature, each flower deciduous with its pedicel as a unit, erect, compact, 10–50-flowered, hemispheric, bulbels unknown;

spathe bracts persistent, 2–3, 6–13-veined, ovate, ± equal, apex short-acuminate.

persistent, erect, compact, 75–150-flowered, hemispheric-globose, bulbils unknown;

spathe bracts persistent, 2–4, 11+-veined, ovate, ± equal, apex acuminate.

stellate, 5–9 mm;

tepals spreading at anthesis, white to pink, lanceolate, ± equal, becoming papery and connivent over capsule, margins entire, apex acute;

stamens included;

anthers yellow or purple;

pollen yellow;

ovary crested;

processes 6, lateral, ± prominent, ± rectangular, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 4–16 mm.

stellate to subcampanulate, 6–9 mm;

tepals ± spreading, white with green midvein, narrowly oblong, ± equal, becoming ± rigid and reflexed in fruiting, margins entire, apex obtuse;

stamens included;

anthers yellow or purple, aborting without producing pollen;

ovary crestless;

style linear, ± equaling tepals;

stigma capitate, scarcely thickened, obscurely 3-lobed;

pedicel 25–40 mm.

coat dull;

cells minutely roughened.

coat not known.

= 14, 21, 28.