Flora of North America species comparison

± ovoid, 3.9–9.4 × 2.5–7.1 cm, 1.1–2.6 times taller than long;

scales unsegmented, longest 4–8.9 cm;

stem roots absent.

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.

to 2 m, often glaucous.

to 3.1 m. Buds rounded in cross section.

rounded in cross section.

in 3–5(–more) whorls or partial whorls, 3–15 leaves per whorl, usually ± ascending, sometimes horizontal and drooping at tips, 3.2–12.3 × 1–2.8 cm, 2–6.4 times longer than wide;

blade oblanceolate, sometimes obovate, rarely elliptic, margins usually undulate, apex acute, often widely so, or obtuse;

veins and margins ± smooth abaxially.

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.

racemose, often with flowers in loosely defined whorls, 1–40-flowered.

racemose, 1–33(–40)-flowered.

ascending to erect, fragrant;

perianth funnelform;

sepals and petals recurved 1/2–2/3 along length from base, white, aging pink-purple, with fine magenta spots concentrated proximally or less often generally distributed, often reddish or purplish abaxially, not distinctly clawed;

sepals not ridged abaxially, 4.3–6.6 × 0.6–1.4 cm;

petals noticeably wider than sepals, oblanceolate and often very wide proximally, 4.2–6.4 × 0.9–1.9 cm, apex widely acute, obtuse, or rounded;

stamens included;

filaments barely spreading, diverging 3°–12° from axis;

anthers pale yellow, 0.4–0.8 cm;

pollen yellow;

pistil 2.7–3.8 cm;

ovary 1.2–1.8 cm;

style pale green;

pedicel 1.4–9.5 cm.

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.

usually with 6 longitudinal ridges, 2–3.7 × 1.7–2.7 cm, 1.1–1.7 times longer than wide.

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

67–189.

not counted.

= 24.