Flora of North America species comparison

branching occasionally, often irregularly, 1.6–3 × 3.9–11.8 cm, 0.2–0.5 times taller than long;

scales 2–4-segmented, longest 1–2 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.

± evenly distributed along middle of stem, occasionally scattered, especially in young plants, or in 1–6 whorls or partial whorls, 3–19 leaves per whorl, usually horizontal and drooping at the tips, sometimes ascending, 6–24.6 × 0.5–3.5 cm, 4–22 times longer than wide;

blade elliptic to narrowly linear, usually lanceolate in distal 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.

1–15-flowered.

1–11-flowered.

not fragrant;

sepals and petals reflexed 1/3 along length from base, usually uniformly orange or yellow-orange, rarely light orange or light red-orange on distal 1/3–2/5 and lighter proximally;

sepals appearing wide for their length, 3.5–7.1 × 1–2 cm;

petals 3.4–7.1 × 0.9–2 cm;

stamens moderately exserted, often malformed and/or shrunken;

filaments moderately spreading, diverging 10°–18° from axis;

anthers pale yellow, 0.5–1.3 cm, pollen yellow or orange;

pistil 3.1–4.3 cm;

ovary 1–2.2 cm;

pedicel 6–29.5 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.

2.3–4.2 × 1.2–2.1 cm, 1.6–2.6 times longer than wide.

not measured.

123–198.

not counted.

= 24.