Flora of North America species comparison

usually solitary, not clustered on stout, primary rhizome, ovoid, 1.5–2.5 × 1–1.5 cm;

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

inner coats white, cells not visible.

5–20, clustered, stipitate, hard-shelled, asymmetric, ovoid, 1–2 × 1–2 cm;

outer coats enclosing bulbs, brownish to yellowish, membranous, vertically striate, splitting into parallel strips and fibers, cells arranged in ± wavy rows, vertical;

inner coats white to light brown, cells obscure, vertically elongate.

usually deciduous with scape, withering from tip at anthesis, 1, basally sheathing, sheath not extending much above soil surface;

blade solid, flat or broadly channeled, ± falcate, 8–33 cm × 1–10 mm, margins entire.

persistent, green at anthesis, 2–4, sheathing at least proximal 1/2 scape;

blade hollow below middle, terete, cylindric or filiform, not carinate, 20–60 cm × 2–4 mm, margins entire.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, terete, 2–20 cm × 1–3 mm.

persistent, solitary, erect, terete, 30–120 cm × 1.5–4 mm.

persistent, erect, compact, 8–20(–30)-flowered, globose to conic, bulbils unknown;

spathe bracts persistent, 3, 9–13-veined, broadly ovate, ± equal, apex abruptly acuminate.

persistent, erect, ± compact, 0–50-flowered, subglobose to ovoid or hemispheric, flowering pedicels all or in part replaced by bulbils;

bulbils sessile, basally narrowed, 4–6 × 2–3 mm;

spathe bract caducous, 1, 2–several-veined, ovate, apex caudate, beaked, beak ± equaling or longer than base.

conical to campanulate, 7–10 mm;

tepals strictly erect, dull purplish with darker midveins, ovate, ± equal, becoming membranous, withering in fruit, margins entire, apex obtuse;

stamens equaling tepals or ± exserted;

filaments smooth proximally;

anthers purple;

pollen yellow or gray;

ovary crestless or crested;

processes 6, central, rounded, minute, margins entire;

style linear, slightly longer than stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 6–10 mm.

campanulate, 3–4 mm;

tepals erect, greenish to purple, elliptic-lanceolate, ± equal, withering in fruit, margins entire, apex obtuse;

stamens exserted, outer 3 filaments without appendages, inner 3 filaments with 2 prominent lateral appendages;

anthers purple;

pollen white;

ovary crestless;

style exserted, linear, ± equaling stamen;

stigma capitate, scarcely thickened, unlobed; flowering pedicel 10–20 mm.

coat shining;

cells smooth.

coat shining;

cells smooth.

= 14.

= 32, 40.