Flora of North America species comparison

1–6+, replaced annually with new bulbs borne terminally on rhizomes;

rhizomes 1–2, secondary, short;

parent bulb disappearing by anthesis except for still-functional roots and shriveled bulb coat, oblique-ovoid, 1–2 × 0.8–1.8 cm;

outer coats not or only partially enclosing bulbs, brown to gray-brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats white, cells very obscurely quadrate or not visible.

1–3, not clustered on stout, primary rhizome, ovoid to ± globose, 1–1.7 × 0.8–1.7 cm;

outer coats enclosing 1 or more bulbs, reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows proximal to roots, ± quadrate, without fibers;

inner coats pale brown to white, cells obscure, quadrate.

usually deciduous with scape, withering from tip at anthesis, (1–)2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, falcate, 10–33 cm × 1.5–10 mm, margins sometimes minutely denticulate.

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

blade solid, terete, 12–50 cm × 1–4 mm.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, ± erect, solid, flattened, winged distally, wings frequently crenulate proximal to umbel, 5–15 cm × 1–5 mm.

persistent, solitary, erect, solid, terete, 10–35 cm × 0.5–3.5 mm.

persistent, erect, compact, 10–25-flowered, conic to hemispheric, bulbils unknown;

spathe bracts persistent, 2, 8–10-veined, lanceolate, ± equal, apex acute.

persistent, erect, compact, 6–75-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 4–7-veined, lanceolate to ovate, ± equal, apex attenuate to setaceous.

campanulate, 6–12 mm;

tepals erect, pinkish with deeper pink midveins, lanceolate, ± equal, becoming papery in fruit, margins entire, apex acute;

stamens included;

anthers yellow or purple;

pollen yellow;

ovary obscurely crested;

processes 3, central, 2-lobed, minute, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 6–16 mm.

urceolate to campanulate, 6–12 mm;

tepals erect, dark reddish purple to pale lavender, or white, lanceolate to ovate, ± equal, becoming ± rigid to papery in fruit, margins entire or denticulate with few minute teeth near tip, apex acute to acuminate, recurved-spreading or not at tip;

stamens included;

anthers yellow;

pollen yellow;

ovary usually crested (rarely crestless);

processes 6, prominent, ± triangular, margins denticulate to laciniate;

style linear, equaling stamens;

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

pedicel 6–20 mm.

coat shining;

cells smooth.

coat dull;

cells minutely roughened.

= 14.