Flora of North America species comparison

± 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.

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 1.1 m, glaucous.

to 2.2 m. Buds rounded in cross section.

rounded in cross section.

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.

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.

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

racemose, 1–15(–25)-flowered.

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.

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.

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

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

90–210.

96–169.

= 24.

= 24.