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.

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 3.1 m. Buds rounded in cross section.

to 1.7 m. Buds 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 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.

racemose, 1–33(–40)-flowered.

racemose, 1–26(–41)-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.

± 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.

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

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

not counted.

90–132.

= 24.