Flora of North America species comparison

1–15+, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, not clustered on stout primary rhizome, ovoid to ± globose, 0.6–1.5 × 0.6–1.3 cm;

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

inner coats usually dark red, sometimes white to pink, cells obscure, quadrate.

2–20+, clustered on thick, iris-like rhizome, elongate, 2–5 × 1–2.5 cm;

outer coats enclosing 1 or more bulbs, brownish, membranous, minutely striate, cells in regular vertical rows, elongate, not fibrous-reticulate, fibers persistent, parallel, few, coarse;

inner coats reddish purple or whitish, minutely striate, cells in regular vertical rows, elongate.

persistent, withering from tip at anthesis, 2–4, basally sheathing, sheaths not extending much above soil surface;

blade solid, subterete or ± channeled, 10–36 cm × 0.5–2 mm, margins entire.

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

blade solid, flat, 20–70(–80) cm × 4–15 mm, margins entire.

persistent, solitary, erect, solid, terete, 15–50 cm × 3–5 mm.

persistent, solitary, erect, solid, flattened and narrowly winged distally, 30–70 cm × 2–7 mm.

shattering after seeds mature, each flower deciduous with its pedicel as a unit, erect, compact, 10–50-flowered, hemispheric, bulbels unknown;

spathe bracts persistent, 2–3, 6–13-veined, ovate, ± equal, apex short-acuminate.

persistent, erect, compact, 15–30-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 3–5-veined, broadly ovate, ± equal, apex acute.

stellate, 5–9 mm;

tepals spreading at anthesis, white to pink, lanceolate, ± equal, becoming papery and connivent over capsule, margins entire, apex acute;

stamens included;

anthers yellow or purple;

pollen yellow;

ovary crested;

processes 6, lateral, ± prominent, ± rectangular, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 4–16 mm.

± campanulate, 8–10 mm;

tepals erect to ± spreading, pink, narrowly lanceolate, ± equal, withering in fruit, margins entire, apex acuminate, midribs scarcely thickened;

stamens exerted;

anthers yellow or purple;

pollen yellow;

ovary crestless;

style exserted, linear, longer than stamens;

stigma capitate, unlobed;

pedicel 10–15 mm, elongating and becoming stout in fruit.

coat dull;

cells minutely roughened.

coat dull;

cells smooth or minutely roughened.

= 14, 21, 28.

= 28, 56.