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, 3.6–7.5 × 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 3.1 m. Buds rounded in cross section.

to 2.1 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 2–7 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, 1–33(–40)-flowered.

racemose, 1–27-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.

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.

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

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

not counted.

177–309.

= 24.