Trillium gracile

J. D. Freeman

Sida 3: 289. 1969.

Common names: Slender trillium graceful trillium
Endemic
Treatment appears in FNA Volume 26. Treatment on page 110. Mentioned on page 95, 117.

Rhizomes horizontal, brownish, thick, short, praemorse, not brittle. Scapes 1–3, round in cross section, 1.6–3.5 dm, slender, glabrous. Bracts 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. Flower 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. Fruits dark greenish purple, fragrance not reported, ovoid, swollen enough to conceal its 3-angled nature, 1 cm, pulpy, moist.


Phenology: Flowering spring (early–mid Apr).
Habitat: Mature pine and hardwood forests, banks and ridges of dissected stream- beds, rather dense shade, low sandy flatwoods
Elevation: 0–10 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Trillium gracile"
Frederick W. Case Jr. +
J. D. Freeman +
Slender trillium +  and graceful trillium +
La. +  and Tex. +
0–10 m +
Mature pine and hardwood forests, banks and ridges of dissected stream- beds, rather dense shade, low sandy flatwoods +
Flowering spring (early–mid Apr). +
Trillium gracile +
Trillium subg. Phyllantherum +
species +