Flora of North America species comparison

10–40 cm × 2–6 mm.

15–40 cm × 3–12 mm.

8–30 cm, smooth or scabrous near base;

bracts purplish.

10–35 cm, smooth or slightly scabrous near base.

perianth bright yellow to deep orange, fading to purple, 9–12 mm, tube turbinate, 2.5–3 mm, lobes ascending to slightly spreading, 7–9 mm, 2–3 times longer than tube;

stamens attached at 1 level, equal;

filaments linear, 3 mm, apical appendages absent;

anthers yellow, 2 mm;

ovary 3 times longer than stipe;

pedicel 0.7–2.5 cm.

perianth yellow or white, often tinged or fading blue, 18–26 mm, tube slenderly funnelform, moderately attenuate at base, 6–10 mm, lobes widely spreading, with conspicuous dark purple midvein, 12–16 mm, ca. twice as long as tube;

stamens attached at 1 level, nearly equal;

filaments narrowly subulate, 3–4 mm, apical appendages absent;

anthers blue or sometimes white, 1.5–2 mm;

ovary 1/2 as long as stipe;

pedicel 1.5–4 cm.

= 32.