Flora of North America species comparison

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.

1–2, not clustered on stout, primary rhizome, ovoid to ± globose, 1–1.4 × 0.1–0.14 cm;

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

inner coats pale brown to white, cells obscure, quadrate.

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.

persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface;

blade solid, terete, 12–30 cm × 1–3 mm.

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

persistent, solitary, erect, solid, terete, 5–15 cm × 1–2 mm.

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.

persistent, erect, compact, 5–30-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 4–6-veined, lance-ovate to ovate, ± equal, apex acuminate.

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.

urceolate, 9–17 mm;

tepals erect, purple, lanceolate to lance-ovate, unequal, becoming rigid and ± keeled in fruit, margins minutely denticulate at least distally, apex acute, ± straight at tip, inner slightly shorter and narrower than outer;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

processes 6, prominent, ± triangular, margins entire to notched or irregularly papillose;

style linear, equaling stamens;

stigma capitate, 3-lobed, lobes slender, recurved;

pedicel 5–25 mm.

coat shining;

cells smooth.

coat dull or shining;

cells minutely roughened.

= 32, 40.

= 14.