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.

± 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.

to 1.1 m, glaucous.

to 2 m, often glaucous.

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.

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.

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

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

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.

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

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

90–210.

67–189.

= 24.

= 24.