Flora of North America species comparison

horizontal, brownish, short, thick, praemorse, not brittle.

horizontal, brownish, thick, short, praemorse, not brittle.

1–3, round in cross section, 1.5–3 dm, slender to stout, pilose-pubescent, rarely glabrous.

1–3, round in cross section, 1.6–3.5 dm, slender, glabrous.

held well above ground, sessile;

blade light silvery or bluish green with strong to faint mottling in darker colors, mottling becoming obscure with age, ovate-lanceolate to broadly ovate, 6.3–7.6 × 3.3–5 cm, larger bracts abaxially pilose-pubescent, margins entire, apex acute.

held well above ground, sessile;

blade mottled with darker green blotches, mottling becoming obscure with age, elliptic-ovate to obovate, 6–8.5 × 2.6–4 cm, base rounded, apex obtuse or rounded, rarely acute.

erect, odor strong, of carrion;

sepals displayed above bracts, spreading to ± horizontal position, green, purple markings adaxially, lanceolate-elliptic, 17–40 mm, margins entire, purple, apex acuminate;

petals long-lasting, spreading and carried in ± horizontal position unlike any other sessile trillium, very deep maroon to blackish red, rarely yellow, purple-streaked, with 1–2 spiral twists, narrowly elliptic to lanceolate or linear, narrow, 1.5–3.8 × 0.3–0.6 cm, rarely broader, thick-textured, margins entire, apex sharply acute to rounded, tips incurving slightly;

stamens fully exposed, somewhat stiffly erect, dark purple, 16–24 mm, thick;

filaments dark purple, 2–4 mm, basally dilated;

anthers erect, straight, dark purple, 13–18 mm, thick, dehiscence extrorse;

connectives dark purple, straight, coarse, flat, ± not extended beyond anther sacs;

ovary dark purple, oval, 6-angled, 5–7 mm;

stigmas erect, widely spreading, often strongly recurved or recoiled, distinct, purple, linear, 4–10 mm, slightly thickened basally.

odor musty or funguslike;

sepals displayed above bracts, bases at right angle to scape axis, widely spreading with recurved tips, dark purple on adaxial surface, lanceolate to oblong, 20–25 × 4–5 mm, margins entire, apex obtuse;

petals long-lasting, erect, weakly connivent, at least partially obscuring stamens, dark purple or maroon, rarely yellow, not spirally twisted, linear-elliptic to oblanceolate, 2–4 × 0.3–0.8 cm, ± thick-textured, margins entire, flat, apex acute;

stamens erect, 12–16.5 mm;

filaments purple, 2–3 mm, slender;

anthers erect, straight, purple to yellow, 10–15 mm, slender, dehiscence introrse;

connectives straight, extending 0.1–1 mm beyond anther sacs;

ovary purple, ovoid, 3-angled, 4–11 mm;

stigmas erect, spreading-recurved, distinct, purple to whitish, sessile, subulate, 2–4 mm, fleshy, thickened basally.

baccate, purple, odorless, ovoid, strongly 6-angled, sometimes winged, 2 × 1–1.5 cm, pulpy, moist.

dark greenish purple, fragrance not reported, ovoid, swollen enough to conceal its 3-angled nature, 1 cm, pulpy, moist.

= 10.