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 dichotomously, 2–5.1 × 5.1–19 cm, 0.2–0.5 times taller than long, annual growth evident, generally forming discrete rounded module;

scales usually 2-segmented but often unsegmented or 3-segmented, longest 1–2.7 cm.

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

to 2.8 m, strongly clonal, forming dense 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 1–5 whorls or partial whorls, 3–18 leaves per whorl, usually horizontal and drooping at the tips, sometimes ± ascending, 8.2–24.5 × 0.9–5.6 cm, 3–12 times longer than wide;

blade usually elliptic, sometimes ± oblanceolate, rarely lanceolate or obovate, margins usually straight but occasionally ± undulate.

1–13-flowered.

1–28-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.

rarely fragrant;

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

sepals (5.9–)6.6–10.4 × 1–2.1 cm;

petals 5.9–10.2 × 1.1–2.5 cm;

stamens strongly exserted;

filaments often parallel over much of length, then spreading widely, diverging 14°–22° from axis;

anthers usually purple, sometimes pale magenta or magenta, rarely yellowish, 1.1–2.2 cm;

pollen orange-brown, rust, red-orange, or deep orange;

pistil 5.6–7.5 cm;

ovary 1.4–2.2 cm;

pedicel 8.4–28 cm.

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

2.9–5.7 × 1.3–1.9 cm, 2–3.7 times longer than wide.

132–207.

147–264.

= 24.

= 24.