Flora of North America species comparison

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

forming clumps, stout, praemorse.

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

1–many, round in cross section, 3–6 dm, stout, 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.

sessile to subsessile;

blade green, major veins prominent, rhombic, 10–18 × 10–20 cm, not glossy, tapered basally, apex short-acuminate.

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.

above bracts, erect to mostly leaning, odor faintly sweet, applelike;

perianth gaping, strongly 3-dimensional;

sepals spreading, green, flat, oblanceolate-lanceolate, 20–40 × 6–15 mm, margins entire, apex mildly sulcate;

petals spreading-ascending, not recurved to weakly so at tip, creamy white, flat, adaxial veins faintly engraved, ovate to ovate-orbicular, 4–7+ × 1.5–4 cm, 1.5 times as long as sepals, heavy-textured, base rounded, margins entire, apex acuminate;

stamens erect to weakly recurved, 7–20 mm;

filaments purple or brownish, shorter than anthers, slender;

anthers weakly recurved, yellow with brown undertones, 6–20 mm, longer than ovary, slender, dehiscence introrse;

connectives purple-brown, not extending beyond anther sacs;

ovary dark purplish black, pyramidal at anthesis, very strongly 6-angled, 7–12 mm, widely attached basally;

stigmas short, mildly recurved, distinct, purple or yellow, not lobed adaxially, 2–5.5 mm, fleshy, basally widened to gradually tapered;

pedicel ± erect to mostly leaning, 4–9 cm.

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

baccate, dark purplish black, odorless, orbicular, 1–1.5 cm diam., fleshy, not juicy.