Difference between revisions of "Trillium ludovicianum"
Biltmore Bot. Stud. 1: 23. 1901.
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|common_names=Louisiana trillium | |common_names=Louisiana trillium | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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name=Trillium ludovicianum | name=Trillium ludovicianum | ||
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|authority=Harbison | |authority=Harbison | ||
|rank=species | |rank=species | ||
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|publication title=Biltmore Bot. Stud. | |publication title=Biltmore Bot. Stud. | ||
|publication year=1901 | |publication year=1901 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_132.xml |
|genus=Trillium | |genus=Trillium | ||
|subgenus=Trillium subg. Phyllantherum | |subgenus=Trillium subg. Phyllantherum | ||
Latest revision as of 21:13, 5 November 2020
Rhizomes ± horizontal, brownish, short, thick, praemorse, not brittle. Scapes 1–3, round in cross section, 1.4–2.6 dm, ± slender, glabrous. Bracts held well above ground, sessile; blade strongly mottled in dark and bronzy green, often with central light strip, mottling becoming somewhat obscure with age, lanceolate-ovate, 5.3–9.5 × 2.3–5 cm, not glossy, margins of distal 1/3 convex-curved to apex, apex rounded-acute. Flower erect, odor of carrion; sepals displayed above bracts, spreading, green, lanceolate-oblanceolate, 19–35 × 2.7–4 mm, margins entire, apex rounded or acute to sometimes weakly reflexed; petals long-lasting, faintly introrsely curved-erect-spreading, weakly connivent, ± concealing stamens and ovary, dark maroon-brown, purplish, or dull greenish, or 2-colored, basal portion purple, distal portion grayish green, not spirally twisted, oblanceolate-linear, 3.5–5.5 × 0.4–0.8 cm, thick-textured, thickened and weakly clawed basally, margins entire, apex acute; stamens erect, straight, 10–18 mm; filaments olive-orange, 2–3 mm, widened basally; anthers erect, straight, olive to orange, 7–20 mm, slender, dehiscence latrorse; connectives olive to orange, straight, scarcely extended beyond anther sac; ovary purple, ovoid, 6-angled, 8–9 mm; stigmas erect, with spreading or coiled tips, distinct, pale purple, subulate, 3–6 mm, ± fleshy. Fruits dark purplish green, little or no odor, ovoid, 6-angled, pulpy.
Phenology: Flowering late winter–early spring (early Mar–Apr).
Habitat: Low flatwoods, floodplains along streams, steep ravine slopes leading to floodplains, mixed pine-beech woods
Elevation: 50–500 m
Discussion
The range of Trillium ludovicianum is near to that of T. cuneatum in Mississippi, and the two appear to intergrade.
Selected References
None.