Flora of North America species comparison

± 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.

rhizomatous, unbranched, continuously scaly, 1.4–3.1 × 3.8–8.2 cm, 0.3–0.6 times taller than long;

scales 2–3-segmented, a few unsegmented, longest 0.8–2.7 cm;

stem roots absent.

to 2.1 m. Buds rounded in cross section.

to 2.2 m. Buds rounded in cross section.

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.

scattered or usually in 1–4 whorls or partial whorls, 3–10 leaves per whorl, horizontal and drooping at tips, 7.8–15.8 × 1.1–5.3 cm, 3.2–10.8 times longer than wide;

blade usually elliptic, occasionally weakly lanceolate or oblanceolate, margins not undulate, apex narrowly acute;

veins and margins ± smooth abaxially.

racemose, 1–27-flowered.

racemose, 1–15(–25)-flowered.

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.

pendent, mildly fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed 2/5 along length from base, yellow or yellow-orange, usually with copious maroon spots, not distinctly clawed;

sepals not ridged abaxially, 4.3–5.7 × 0.9–1.5 cm;

petals 4.2–5.7 × 0.9–1.5 cm;

stamens moderately exserted;

filaments moderately spreading, diverging 9°–19° from axis;

anthers magenta or dull red, 0.3–0.6 cm;

pollen pale orange, rust, orange, or tan-orange;

pistil 2.6–3.4 cm;

ovary 0.8–1.4 cm;

style green;

pedicel 8.5–20.7 cm.

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

1.5–2.9 × 1–1.9 cm, 1.1–2 times longer than wide.

177–309.

96–169.

= 24.

= 24.