Flora of North America species comparison

rhizomatous, unbranched, continuously scaly, 1.4–3.5 × 3.3–9.2 cm, 0.3–0.5 times taller than long;

scales (1–)2–3(–4)-segmented, longest 1.1–3.4 cm;

stem roots absent.

widely ovoid, 3.5(–8) × 4–8 cm, ca. 0.7–0.8 times taller than wide;

scales broad, unsegmented, longest ca. 3–4 cm;

stem roots usually present.

to 1.7 m. Buds rounded in cross section.

white-lanate, purplish, to 2 m. Buds usually flat-sided, somewhat triangular in cross section.

in 2–5 whorls or partial whorls, 3–13 leaves per whorl, ± horizontal and drooping at tips or ascending in sun, 4–15.1 × 0.5–4.4 cm, 2.3–10.8 times longer than wide;

blade ± elliptic, margins not undulate, apex acute, often narrowly so;

veins and margins ± smooth abaxially.

scattered, horizontal and drooping at tips, 10–15(–18) × ca. 1.5 cm, ca. 3–6(–10) times longer than wide, distal bearing 1(–3) dark purple axillary bulbils;

blade lanceolate, often narrowly so, margins not undulate, papillose, apex white-lanate, narrowly acute (rounded in distal leaves).

racemose, 1–26(–41)-flowered.

racemose, 3–6(–25)-flowered.

± horizontal to ascending, sometimes slightly bilaterally symmetric, not fragrant;

perianth ± funnelform;

sepals and petals somewhat recurved 3/5–2/3 along length from base, not strongly reflexed, lower often less recurved than upper and forming landing platform, orange or yellowish proximally, darker (light orange, orange, red-orange, red, or rarely ± pinkish) on distal 2/5, occasionally uniformly light orange or rarely yellow, spotted dark purple-brown or maroon, often pale abaxially, not distinctly clawed;

sepals not ridged abaxially, noticeably wider than petals, 3.2–4.2 × 0.8–1.3 cm;

petals 3.2–4.2 × 0.6–1.2 cm;

stamens moderately exserted;

filaments moderately spreading, diverging 8°–17° from axis;

anthers pale yellow, orangish, or magenta, 0.3–0.8 cm;

pollen yellowish to red-orange;

pistil 2.3–3.7 cm;

ovary 0.8–1.4 cm;

style pale green;

pedicel 3.5–15.5 cm.

pendent, not fragrant;

perianth Turk’s-cap-shaped;

sepals and petals reflexed ca. 1/5–1/4 along length from base, orange with many purple-brown spots, not distinctly clawed, 7–10 × 1–2 cm, adaxial base bearing pubescent strip;

sepals not ridged abaxially;

stamens strongly exserted;

filaments very widely spreading, diverging ca. 25° from axis;

anthers purplish, ca. 2 cm;

pollen rust;

pistil 6–9 cm;

pedicel sometimes dichotomous, stout and relatively short, to 10 cm.

1.6–2.7 × 1.2–1.8 cm, 1.2–1.9 times longer than wide.

3–4 cm.

90–132.

not counted.

= 24.

= 24, 36.