Flora of North America species comparison

2–7, basal;

blade linear, channeled to terete;

veins sometimes scabrous, particularly proximally.

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

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

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.

capsular, beaked by persistent style base, dehiscence loculicidal.

numerous, black, flattened, minutely cellularly reticulate.

solitary, coated with membrane.