Flora of North America species comparison

10–30 cm × 2–5 mm.

10–30 cm × 3–11 mm.

5–20(–25) cm, ± scabrous.

10–35 cm, smooth.

perianth yellow, aging purple, 12–17 mm, tube slender, narrowly funnelform, attenuate at base, 4–7 mm, lobes somewhat spreading, with brown midvein, 8–10 mm, ca. twice as long as tube;

stamens attached at 1 level, equal;

filaments linear, 5–6 mm, more than 1/2 as long as perianth lobes, apical appendages absent;

anthers cream or blue, 1–1.5 mm;

ovary equal to stipe;

pedicel 0.5–3 cm.

perianth pale yellow, drying purplish, 18–24 mm, tube ± cylindrical to narrowly funnelform, 8–12 mm, lobes spreading, lanceolate, 8–12 mm;

stamens attached at 1 level, unequal, alternately long and short;

filaments dilated entire length or narrowly triangular, 2 or 3.5 mm, sometimes with short, blunt apical appendages;

anthers lavender, 1 mm;

ovary equal to or longer than stipe;

pedicel slender, 1.5–4 cm.

= 16.

= 16.