Flora of North America species comparison

± ovoid, 3.5–7.9 × 2.6–5.3 cm, 0.9–2.1 times taller than long;

scales unsegmented, longest 3–5.7 cm;

stem roots absent.

rhizomatous, unbranched, continuously scaly, 1.4–3.5 × 3.3–9.2 cm, 0.3–0.5 times taller than long;

scales (1–)2–3(–4)-segmented, longest 1.1–3.4 cm;

stem roots absent.

to 1.1 m, glaucous.

to 1.7 m.

rounded in cross section.

rounded in cross section.

in 1–5(–6) whorls or partial whorls, 3–19 leaves per whorl, ascending and often cupping stem, 1.8–7.1 × 0.7–2.8 cm, 2.2–4.8 times longer than wide;

blade ± obovate, oblanceolate, or occasionally elliptic, noticeably glaucous, margins nearly always undulate, apex widely acute;

veins and margins ± smooth abaxially.

in 2–5 whorls or partial whorls, 3–13 leaves per whorl, ± horizontal and drooping at tips or ascending in sun, 4–15.1 × 0.5–4.4 cm, 2.3–10.8 times longer than wide;

blade ± elliptic, margins not undulate, apex acute, often narrowly so;

veins and margins ± smooth abaxially.

usually umbellate in small plants, in large plants racemose or in 2 whorls, 1–9-flowered.

racemose, 1–26(–41)-flowered.

nodding to horizontal, not fragrant;

perianth ± campanulate or funnelform;

sepals and petals somewhat recurved 3/5–4/5 along length from base, red or magenta, occasionally salmon pink or pale yellow, with maroon spots, often yellowish on proximal 1/3–1/2, not distinctly clawed;

sepals not ridged abaxially, 3.1–4.7 × 0.7–1.2 cm;

petals 3–4.5 × 0.7–1.1 cm;

stamens included;

filaments barely spreading, diverging 0°–12° from axis;

anthers reddish or magenta, 0.3–0.8 cm;

pollen rust, orange, or yellow;

pistil 2.1–3.5 cm;

ovary 1–2.1 cm;

style green, rarely reddish purple;

pedicel 0.8–14.2 cm.

± horizontal to ascending, sometimes slightly bilaterally symmetric, not fragrant;

perianth ± funnelform;

sepals and petals somewhat recurved 3/5–2/3 along length from base, not strongly reflexed, lower often less recurved than upper and forming landing platform, orange or yellowish proximally, darker (light orange, orange, red-orange, red, or rarely ± pinkish) on distal 2/5, occasionally uniformly light orange or rarely yellow, spotted dark purple-brown or maroon, often pale abaxially, not distinctly clawed;

sepals not ridged abaxially, noticeably wider than petals, 3.2–4.2 × 0.8–1.3 cm;

petals 3.2–4.2 × 0.6–1.2 cm;

stamens moderately exserted;

filaments moderately spreading, diverging 8°–17° from axis;

anthers pale yellow, orangish, or magenta, 0.3–0.8 cm;

pollen yellowish to red-orange;

pistil 2.3–3.7 cm;

ovary 0.8–1.4 cm;

style pale green;

pedicel 3.5–15.5 cm.

2–4.1 × 1.2–2.1 cm, 1.4–3 times longer than wide.

1.6–2.7 × 1.2–1.8 cm, 1.2–1.9 times longer than wide.

90–210.

90–132.

= 24.

= 24.