Flora of North America species comparison

horizontal, ± erect, brown, superficially bulblike, short, thick, not brittle.

short, stout, praemorse.

often several from same rhizome terminus, round in cross section, 2.2–5.8 dm, stout.

1–2, semidecumbent, decumbent, or weakly erect (especially in cultivation), S-shaped, round in cross section, 0.6–1.8 dm, glabrous.

held well above ground, sessile;

blade weakly mottled with scattered, darker green spots, mottling often fading later in season, broadly ovate, 10–20 × 12–15 cm, not glossy, base rounded, apex obtuse.

resting on or near ground surface, horizontally spreading, sessile;

blade strongly mottled on each side of central light green stripe in shades of light green, dark green, bronze green, and dark purple, mottling becoming obscure with age, ovate to elliptic, rounded-tapered ± equally from base to tip from widest point, 5–12 × 6–10 cm, apex rounded or weakly acute.

borne directly upon bracts, erect, fragrance roselike;

sepals conspicuous, spreading, displayed above bracts, pale green, lanceolate, 30–65 × 12–15 mm, margins entire, apex acute;

petals long-lasting, usually erect or slightly spreading, ± connivent, ± concealing stamens and ovary basally, white to creamy white, rarely soft pinkish rose near base, veins prominent but not engraved, not spirally twisted, obovate, more lanceolate in young plants, 4.8–8 × 2.2–3 cm, widest at or just above middle, ± thick-textured, base cuneate, margins entire, ± flat, apex rounded to acute;

stamens erect, greenish white, 15–25 mm;

filaments whitish green, 3–4 mm, slender;

anthers erect, straight, yellow, 11–20 mm, dehiscence latrorse;

connectives straight, extended ca. 1 mm beyond anther sacs, rounded;

ovary green or occasionally purple, ovoid, rounded 6-gonal, 6–11 mm;

stigmas erect to spreading, distinct, sessile, subulate, 4–7 mm, thin distally.

borne directly on bracts, odor of putrid meat;

sepals divergent, somewhat recurved, green, maroon streaked, lanceolate, 17–42 × 5–9.5 mm, margins entire, flat, apex rounded-acute;

petals long-lasting, erect, ± connivent, ± concealing stamens and ovary, dark brownish maroon, greenish purple, or streaked with yellow, usually not spirally twisted, narrowly elliptic-lanceolate to oblanceolate, 2.5–5.5 × 0.6–1 cm, thick-textured, margins entire, ± flat, apex acute;

stamens erect, incurved, 12–20 mm;

filaments ± straight, reddish brown, 1–2 mm, slender;

anthers ± straight, dark purple, 4–20 mm, ± thick, dehiscence introrse;

connectives brown-purple, extending 1–2.5 mm beyond anther sacs, apex acute;

ovary green-purple, ovoid, 6-angled, 5–10 mm;

stigmas erect, divergent-recurved, distinct, linear, 2–4 mm, uniformly thin.

green or purplish green, fragrance unknown, ovoid to globose, pulpy, juicy.

baccate, dark maroon-purple, fragrance unreported, ovoid, 6-winged or -angled apically, 0.7–1 cm, pulpy, moist.