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.

± ovoid, 3.9–9.4 × 2.5–7.1 cm, 1.1–2.6 times taller than long;

scales unsegmented, longest 4–8.9 cm;

stem roots absent.

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

to 2 m, often glaucous.

rounded in cross section.

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.

in 3–5(–more) whorls or partial whorls, 3–15 leaves per whorl, usually ± ascending, sometimes horizontal and drooping at tips, 3.2–12.3 × 1–2.8 cm, 2–6.4 times longer than wide;

blade oblanceolate, sometimes obovate, rarely elliptic, margins usually undulate, apex acute, often widely so, or obtuse;

veins and margins ± smooth abaxially.

racemose, 1–28(–35)-flowered.

racemose, often with flowers in loosely defined whorls, 1–40-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.

ascending to erect, fragrant;

perianth funnelform;

sepals and petals recurved 1/2–2/3 along length from base, white, aging pink-purple, with fine magenta spots concentrated proximally or less often generally distributed, often reddish or purplish abaxially, not distinctly clawed;

sepals not ridged abaxially, 4.3–6.6 × 0.6–1.4 cm;

petals noticeably wider than sepals, oblanceolate and often very wide proximally, 4.2–6.4 × 0.9–1.9 cm, apex widely acute, obtuse, or rounded;

stamens included;

filaments barely spreading, diverging 3°–12° from axis;

anthers pale yellow, 0.4–0.8 cm;

pollen yellow;

pistil 2.7–3.8 cm;

ovary 1.2–1.8 cm;

style pale green;

pedicel 1.4–9.5 cm.

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

usually with 6 longitudinal ridges, 2–3.7 × 1.7–2.7 cm, 1.1–1.7 times longer than wide.

123–264.

67–189.

= 24.