Flora of North America species comparison

often somewhat purplish, variable, subrhizomatous to ± ovoid, 3.3–11.7 × 2.4–14.4 cm, 0.4–2.6(–3) times taller than long;

scales unsegmented or notched, longest 3.5–11.2 cm;

stem roots present or absent.

± 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.

to 3.1 m. Buds rounded in cross section.

to 1.1 m, glaucous.

rounded in cross section.

in 2–8 whorls or partial whorls, 3–16(–28) leaves per whorl, usually ascending, 4.6–14.5 × 0.8–3.6 cm, 2.9–7.2 times longer than wide;

blade usually ± oblanceolate, though often weakly so, rarely elliptic or lanceolate, margins usually undulate, apex acute;

veins and margins ± smooth abaxially.

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.

racemose, 1–33(–40)-flowered.

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

pendent, not fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed 1/5 along length from base, orange or yellow, with prominent red or magenta spots, not distinctly clawed;

sepals not ridged abaxially, 5.2–9.8 × 1.4–2.4 cm;

petals 5.6–9.6 × 1.5–2.9 cm;

stamens strongly exserted;

filaments parallel along most of length, then very widely spreading, diverging 17°–31° from axis;

anthers purple, 1.1–1.9 cm;

pollen rust, tan, or peach, becoming yellow or tan-yellow;

pistil 4.6–7.1 cm;

ovary 1.2–2.6 cm;

style green, often pale;

pedicel 7.8–21.2 cm.

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.

longitudinally keeled, 2.5–5.4 × 1.8–3.3 cm, 1.1–2.3 times longer than wide.

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

not counted.

90–210.

= 24.