Flora of North America species comparison

2–7, basal;

blade linear, channeled to terete;

veins sometimes scabrous, particularly proximally.

persistent, 2–7(–10), 1 mm wide, 1/2 as long as to equaling scape;

blade channeled.

1 or rarely 2, persistent, terete, sometimes scabrous, particularly proximally.

4–55 cm, scabrous on proximal veins.

falsely umbellate, 1–30-flowered, subtended by 4 narrowly triangular bracts that do not enclose flowers in bud.

1–9-flowered, if solitary, one or more undeveloped flower buds often present;

bracts 4 in 2 whorls, 5–12 mm, apex acute.

sessile but appearing pedicellate, 4–15 cm;

perianth salverform;

tepals 6, connate basally into long, slender tube;

perianth lobes white with green, pink, or blue abaxial stripes, shorter than tube;

stamens 6, inserted on perianth tube, distinct;

ovary superior, 3-locular, long-stipitate, stipe adnate to perianth tube on 3 angles;

style usually exserted;

stigma obscurely 3-lobed;

pseudopedicel formed by elongate perianth tube ± enlarged around ovary.

4.5–18 cm (appearing 2.5–4 cm due to pseudopedicel);

perianth tube with lacuna between stipe angles to within 0.5–5 cm of base, then tube and stipe completely fused into pseudopedicel;

perianth lobes spreading, white with green abaxial stripe, 3–5-veined, elliptic, becoming papery and persisting in fruit, eventually split by developing capsule, 1.5–2.5 cm;

outer lobes 5–10 mm wide, apex subacute, inner lobes 8–12 mm wide, apex rounded;

filaments triangular, 1 mm;

anthers yellow, lanceolate, sagittate at base, 3–5 mm, suture margins minutely denticulate, ± crisped;

ovary proximally adnate to perianth tube, ovoid to obovoid, 1 cm, stipe 3–16 cm;

style exserted;

stigma capitate, minutely 3-lobed.

capsular, beaked by persistent style base, dehiscence loculicidal.

ovoid, 1.5–2 cm;

beak 1.5–2.5 mm.

numerous, black, flattened, minutely cellularly reticulate.

solitary, coated with membrane.

ovoid, 1–2 cm;

coat brown or reddish brown, minutely striate, splitting from base into narrow strips that shred and appear fibrous.