Flora of North America species comparison

2–5+, clustered, often short-rhizomatous at base, rhizome not stout or iris-like, oblong, elongate, 1–3 × 0.8–1.5 cm;

outer coats enclosing 1 or more bulbs, grayish or brownish, membranous, minutely striate, cells in regular vertical rows, narrowly elongate, fibers persistent, parallel, few;

inner coats white to pink or reddish, cells in regular vertical rows, narrowly elongate.

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.

persistent, green at anthesis, 3–5, basally sheathing, sheaths not extending much above soil level;

blade solid, flat, channeled to broadly V-shaped in cross section, 10–25 cm × 1–6 mm, margins entire or denticulate.

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, sometimes 2 or more produced successively from single bulb, usually clustered, nodding, solid, terete or ridged, particularly distally, sometimes flattened and narrowly winged, abruptly recurved near apex, 10–50 cm × 1–3 mm.

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

persistent, cernuous, loose, 8–35-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 3-veined, lanceolate, ± equal, apex acuminate, beakless.

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.

campanulate, 4–6 mm;

tepals ± erect, pink or white, elliptic-ovate, ± equal, withering in fruit, margins ± entire, apex ± obtuse, at least outer tepals strongly incurved, midribs not thickened;

stamens exserted;

anthers yellow;

pollen yellow;

ovary conspicuously crested;

processes 6, flattened, ± triangular, margins entire or toothed;

style exserted, linear, ± equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 6–25 mm, becoming stouter in fruit, elongating and bending abruptly upward from near point of attachment.

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.

coat dull or shining;

cells smooth, minutely roughened, or each with minute, central papilla.

coat shining;

cells smooth.

= 14.

= 32, 40.