Flora of North America species comparison

variable, subrhizomatous to ± ovoid, 3.1–8.1 × 3.6–10.6 cm, 0.3–1.4 times taller than long;

scales 2–3(–5)-segmented, some unsegmented, longest 3.1–7.3 cm;

stem roots absent.

± ovoid, 3.6–7.5 × 2–5.2 cm, 0.9–2.4(–2.7) times taller than long;

scales unsegmented, longest 3.1–6.4 cm;

stem roots absent.

to 1.7 m, glaucous or not.

to 2.1 m.

rounded in cross section.

rounded in cross section.

in 1–9 whorls or partial whorls, 3–25 leaves per whorl, usually ascending, 1.7–15.7 × 0.4–4.7 cm, 2.4–7.4 times longer than wide;

blade weakly oblanceolate to obovate or ± elliptic, margins usually somewhat undulate, apex acute;

veins and margins ± smooth abaxially.

in 2–7 whorls or partial whorls (scattered and ± proximal in dry, exposed sites), 3–22(–40) leaves per whorl, drooping at tips to ascending, 6–16 × 0.9–4.4 cm, 2.6–8.5 times longer than wide;

blade elliptic, usually narrowly so, often weakly oblanceolate, rarely obovate, margins undulate or not, apex acute;

veins and margins ± smooth abaxially.

racemose, 1–25(–45)-flowered.

racemose, 1–27-flowered.

pendent to nodding, not fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed 2/5–1/2 along length from base, yellow or orange to occasionally red, with copious maroon spots, often darker and especially reddish abaxially, not distinctly clawed;

sepals not ridged abaxially, appearing wide for their length, 3.4–7.1 × 0.8–1.9 cm;

petals 3.5–6.9 × 0.8–1.9 cm;

stamens barely to moderately exserted;

filaments moderately spreading, diverging 10°–20° from axis;

anthers pale yellow to yellow, 0.5–1.3 cm;

pollen orange or yellow;

pistil 2.4–3.7 cm;

ovary 1.1–2.2 cm;

style green;

pedicel 2.8–20.2 cm.

pendent, fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed 1/3 along length from base, pink, less often white, and if so usually aging pink, usually with copious maroon spots and proximal median longitudinal yellow stripe extending from basal nectaries, not distinctly clawed;

sepals darker pink abaxially and usually distally, not ridged abaxially, 3.4–7.2 × 0.9–1.7 cm;

petals 3.2–7.1 × 0.9–1.9 cm;

stamens moderately exserted;

filaments ± widely spreading, diverging 10°–22° from axis;

anthers pale red-orange or magenta, 0.5–1.4 cm;

pollen orange;

pistil 2.9–4.2 cm;

ovary 1.5–3 cm;

style green, often pale;

pedicel 8.8–23.8 cm.

2.2–5.4 × 1.1–2 cm, 1.7–3.3 times longer than wide.

2.9–5.7 × 1–1.6 cm, 2.2–3.7 times longer than wide.

135–330.

177–309.

= 24.

= 24.