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 or more, not attached to rhizome, ovoid, 1.2–2 × 1–1.5 cm;

outer coats enclosing bulbs, brown to grayish brown, fibrous, fibers close, ± parallel;

inner coats white to light brown, not cellular.

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.

withering from tip by anthesis, 2–4, sheathing proximal 1/2+ scape;

blade fistulose proximally, solid distally, terete, linear to filiform, prominently ribbed proximally, channeled distally, 1.5–2.5 cm × 0.5–5 mm, margins and veins usually scabrid with minute teeth, apex acute.

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, terete, 25–100 cm × 4–8 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 to ± loose, 0–40-flowered, subglobose, with few to many bulbils or with bulbils only;

spathe bracts persistent, 2, 4–9-veined, lanceolate, unequal, apex acuminate into beak, beak long, slender, to 20 cm, ± equaling or longer than base.

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.

usually aborting before capsules mature, if present, campanulate, 6–8 mm;

tepals erect, whitish or pinkish to purple, outer narrowly obovate, inner ± elliptic, unequal, margins entire, apex obtuse;

stamens included;

anthers yellow to reddish;

pollen yellow;

ovary crestless;

style linear, equaling stamens;

stigma capitate, unlobed;

pedicel 15–60 mm.

coat shining;

cells smooth.

coat unknown;

capsules only rarely produced.

= 14.