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 less often and less regularly than subsp. pardalinum, 2.1–4.4 × 4.4–10.3 cm, 0.4–0.6 times taller than long;

scales (1–)2–4-segmented, longest 1.7–3.3 cm.

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

to 2.1 m, weakly clonal and not forming large 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, often scattered in young plants or in 1–4 whorls or partial whorls, 3–13 leaves per whorl, horizontal and drooping at tips or ascending, 5–20.5 × 0.6–3.7 cm, 3–17 times longer than wide;

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

1–15-flowered.

1–25(–35)-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 to red-orange to red on distal 1/3–1/2;

sepals 3.7–7.6 × 0.9–2.1 cm;

petals 3.7–7.6 × 0.9–2.2 cm;

stamens moderately exserted;

filaments moderately spreading, diverging 7°–19° from axis;

anthers orange, orange-pink, or ± magenta, 0.5–1.4 cm;

pollen yellow to bright orange, occasionally red-orange;

pistil 3.3–4.4 cm;

ovary 1.2–1.8 cm;

pedicel 6.3–27 cm.

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

2.2–4.3 × 1.2–1.9 cm, 1.6–2.9 times longer than wide.

123–198.

132–177.

= 24.

= 24.