Flora of North America species comparison

1–5+, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 0.6–1 cm × 6–10 mm;

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

inner coats white, cells not visible or arranged in vertical rows, forming distinct herringbone pattern, ± transversely elongate.

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

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

inner coats white or pink, cells not visible.

persistent, withering from tip by anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface;

blade solid, subterete or ± channeled, straight to arcuate, 8–30 cm × 1–3 mm, margins entire.

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, 10–22 cm × 4–8 mm, margins entire.

persistent, solitary, erect, solid, terete, 12–45 cm × 1–3 mm.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, terete, 5–10 cm × 0.5–2 mm.

persistent, erect, loose, 5–35-flowered, hemispheric to conic, bulbils unknown;

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

persistent, erect, compact, 10–40-flowered, globose to conic, bulbils unknown;

spathe bracts persistent, 3–4, 3-veined, ovate, ± equal, apex acuminate.

campanulate, 8–15 mm;

tepals erect, reddish purple, lanceolate to elliptic, unequal, outer tepals longer and wider than inner, becoming rigid and ± carinate in fruit, margins entire or inner minutely denticulate, never crisped, apex acute or short-acuminate, inner tepals spreading at tip, outer ± recurved;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

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

style linear, equaling stamens;

stigma capitate, unlobed to distinctly 3-lobed;

pedicel 8–40 mm.

conical to campanulate, 8–10 mm;

tepals strictly erect, pink to purplish with prominent greenish midvein, linear-lanceolate, ± equal, becoming membranous, withering in fruit, margins entire, apex acuminate;

stamens exserted;

filaments papillose-glandular proximally;

anthers purple;

pollen yellow or gray;

ovary crested;

processes 6, obscure, central, low, rounded, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, obscurely 3-lobed;

pedicel 8–15 mm.

coat dull;

cells minutely roughened.

coat dull;

cells smooth.

= 14.