Flora of North America species comparison

1–3, larger bulbs each usually with cluster of 10–30 easily detached bulbels to one side of base, not clustered on stout, primary rhizome, globose to ovoid, 1–1.6 × 0.8–1.5 cm;

outer coats enclosing 1 or more bulbs, brownish, membranous, without fibers;

inner coats white to pink;

inner and outer coats frequently without obvious reticulations, these, when present, contorted.

1–3, clustered on thick, iris-like rhizome, elongate, 2–3 × 0.5–1 cm;

outer coats enclosing single bulb, brownish, membranous, minutely striate, cells in regular vertical rows, elongate, not fibrous-reticulate, fibers persistent, parallel, few, coarse;

inner coats whitish or pinkish, minutely striate, cells in vertical rows, elongate.

persistent, green at anthesis, 2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat or channeled, 10–25 cm × 1–4 mm, margins entire.

persistent, green at anthesis, 3–6, basally sheathing, sheaths not extending much above soil level;

blade solid, flat, 8–25 cm × 4–8 mm, margins entire.

persistent, solitary, erect, solid, ± terete, sometimes ridged, 10–20 cm × 1–2 mm.

persistent, solitary, erect, solid, flattened, narrowly winged distally, 34–45 cm × 1–3 mm.

persistent, erect, compact, 10–20-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 5–7-veined, ovate, ± equal, apex acuminate.

persistent, erect, loose, 18–23-flowered, conic, bulbils unknown;

spathe bracts persistent, 2, 3–5-veined, narrowly lanceolate, ± equal, apex acute.

campanulate, 6–10 mm;

tepals erect or ± spreading, white with prominent green or pink midveins, lanceolate, ± equal, becoming papery in fruit, margins entire, apex obtuse to acuminate, becoming involute at tip;

stamens included;

anthers white or yellow;

pollen yellow;

ovary crestless or obscurely crested;

processes 3, low, central, rounded, minute;

style linear, equaling stamens;

stigma capitate, unlobed or slightly lobed;

pedicel 5–12 mm.

campanulate, 8–10 mm;

tepals erect, pink, elliptic, ± equal, withering in fruit, margins entire, apex obtuse, midribs not thickened;

stamens ± equaling tepals;

anthers white or purple;

pollen white;

ovary crestless;

style linear, equaling stamens;

stigma capitate, unlobed;

pedicel 15–20 mm, elongating in fruit.

coat dull;

cells ± smooth.

coat dull or shining;

cells each with minute, central papilla.

= 28, 42.

= 14.