Flora of North America species comparison

rhizomatous, usually branching, continuously scaly, 1.4–5.1 × 3.9–19 cm, 0.2–0.6 times taller than long;

scales sometimes unsegmented but always some 2–4-segmented on each bulb, longest 1–3.3 cm;

stem roots absent.

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.

to 2.8 m, strongly clonal and thus forming dense colonies, to weakly clonal and forming small colonies or clumps.

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

rounded in cross section.

usually ± evenly distributed along stem, rarely concentrated proximally, scattered or in 1–6 whorls or partial whorls, 3–19 leaves per whorl, horizontal and drooping at tips to ascending, 4.9–26.5 × 0.3–5.6 cm, 3–34 times longer than wide;

blade usually ± elliptic, wide or narrow, margins usually not undulate, apex acute, often narrowly so;

veins and margins ± smooth abaxially.

± 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.

1–15-flowered.

racemose, 1–28(–35)-flowered.

pendent, usually not fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed 1/4–1/3 along length from base, yellow, yellow-orange, or orange proximally, darker orange to red-orange to red on distal 1/5–3/5 (entirely orange or yellow-orange in subsp. wigginsii), with maroon spots concentrated proximally and always surrounded by yellow or orange if extending into distal reddish zone, conspicuously green abaxially on proximal ± 1/5, not distinctly clawed;

sepals not ridged abaxially, 3.5–10.4 × 0.9–2.2 cm;

petals 3.4–10.2 × 0.9–2.5 cm;

stamens moderately to strongly exserted;

filaments moderately to widely spreading, diverging 7°–22° from axis;

anthers ± magenta or sometimes orange, orange-pink, or pale yellow, 0.5–2.2 cm;

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

pistil 3.1–7.5 cm;

ovary 1–2.2 cm;

style green, often pale, rarely sordid;

pedicel 6–32 cm.

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.

2.2–5.7 × 1.2–2.1 cm, 1.5–3.7 times longer than wide.

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

123–264.

123–198.

= 24.