Flora of North America species comparison

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

blade channeled.

4–55 cm, scabrous on proximal veins.

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

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

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.

ovoid, 1.5–2 cm;

beak 1.5–2.5 mm.

ovoid, 1–2 cm;

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