Flora of North America species comparison

branching less often and less regularly than subsp. pardalinum, 1.4–3.6 × 4.6–12.8 cm, 0.2–0.5 times taller than long;

scales 1–2-segmented, longest 1–2.6 cm.

branching but less often than in subsp. pardalinum, otherwise similar;

scales usually 2-segmented.

to 1.7 m, weakly clonal and not forming large colonies.

to 2 m, moderately clonal and usually forming small colonies.

often concentrated proximally, scattered, especially in small plants, or in 1–6 whorls or partial whorls, 3–15 leaves per whorl, often ascending, sometimes horizontal and drooping at the tips, 4.9–26.5 × 0.3–2.4 cm, 7.3–34 times longer than wide;

blade linear to narrowly elliptic, sometimes lance-linear, especially in distal leaves, or weakly oblanceolate, especially in proximal leaves, margins not undulate.

± evenly distributed along stem, in 2–5 whorls or partial whorls, 3–14 leaves per whorl, ± ascending or horizontal and drooping at the tips, 6.8–22.3 × 1.2–3.6 cm, 4–13 times longer than wide;

blade elliptic, sometimes narrowly so, or weakly oblanceolate, margins not undulate.

1–13-flowered.

1–11-flowered.

not fragrant;

sepals and petals reflexed 1/4–1/3 along length from base, sometimes uniformly orange, usually yellow-orange or orange proximally, darker red-orange to red or crimson on distal 2/5–3/5;

sepals (4.9–)5.3–8.3 × 1–2.2 cm;

petals 4.8–8 × 1–2.1 cm;

stamens moderately exserted;

filaments widely spreading, diverging 12°–22° from axis;

anthers magenta or purple, 0.6–1.8 cm;

pollen dark orange, sometimes rust-orange;

pistil 3.5–5.3 cm;

ovary 1.4–2.2 cm;

pedicel 9–32 cm.

not fragrant;

sepals and petals reflexed 1/3 along length from base, yellow-orange or orange proximally, darker orange-red to sometimes reddish on distal 1/3–1/2;

sepals 4.9–7.1 × 1–1.7 cm;

petals 4.9–7.1 × 1.2–2 cm;

stamens moderately exserted;

filaments moderately spreading, diverging 9°–18° from axis;

anthers magenta, 0.6–1.1 cm;

pollen red- or brown-orange;

pistil 3.4–4.6 cm;

ovary 1.2–1.9 cm;

pedicel 8.5–26.5 cm.

2.5–4.8 × 1.2–2 cm, 1.5–3.2 times longer than wide.

not measured.

132–207.

not counted.

= 24.