Flora of North America species comparison

1–3, producing cluster of stalked basal bulbels distal to roots or filiform rhizomes to 10 cm and terminated by bulbels, ovoid, 1–2 × 0.6–1.4 cm;

outer coats enclosing 1 or more bulbs, brown to gray, membranous, cellular-reticulate, cells ± quadrate, walls very sinuous, without fibers;

inner coats pink to white, cells obscure, vertically elongate.

1–50+, ovoid, 0.2–1.5 × 0.2–1 cm;

outer coats surrounding numerous, very dark purple bulbels, usually white or greenish, membranous, sometimes breaking into ± parallel, fibrous strips;

inner coats white, cells obscure, quadrate.

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

blade solid, flat, distinctly concave-convex, 8–40 cm × 1–5 mm, margins entire.

persistent, 2–5, sheathing 1/3–1/2 scape;

blade solid, flat or channeled, carinate, 15–40 cm × 2–5(–7) mm, margins entire.

persistent, solitary or clustered, 1–3, erect, solid, terete, 10–30 cm × 1–5 mm.

persistent, solitary, erect, ± solid, 25–90 cm × 1–4 mm.

persistent, erect, loose, 10–50-flowered, ± globose, bulbils unknown;

spathe bracts persistent, 2–3, 3–5-veined, ovate to lanceolate, ± equal, apex acuminate.

persistent, erect, very dense, 80–200-flowered, globose, bulbils unknown;

spathe bracts caducous, 2, 7–12-veined, lanceolate, ± equal, apex narrowed to beak, beak to 2 cm.

stellate, 5–8 mm;

tepals spreading, rose to purple (rarely white) with darker purple crescent adaxially basally, lanceolate to ovate, ± equal, carinate in fruit, becoming erect, ± shiny, rigid, margins entire, apex acuminate, strongly involute at tip;

stamens included;

anthers purple;

pollen yellow;

ovary crested;

processes 6, prominent, low, central, triangular, margins minutely denticulate;

style linear, ± equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 10–20 mm, becoming flexuous and mostly strongly deflexed in fruit.

campanulate, 4–7 mm;

tepals erect, purple, or inner with broad whitish margins and purple midvein, oblong to ovate, ± equal, becoming keeled and ± rigid in fruit, margins entire, apex acute to obtuse;

stamens included;

filaments: outer unlobed, inner with 2 prominent teeth on either side of anther, teeth 2–3 times anther-bearing portion, usually papillose to ciliate;

anthers yellow or purple;

pollen light yellow to white;

ovary crestless;

style linear, ± equaling anther-bearing portion of stamens;

stigma capitate, unlobed;

pedicels 5–30 mm, outer much shorter than inner.

coat shining;

cells each with minute, central papilla.

coat dull;

cells each with central papilla.

= 14, 28.