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Trillium ludovicianum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Liliales
Family:	Melanthiaceae
Genus:	Trillium
Species:	T. ludovicianum
Binomial name
Trillium ludovicianum Harb.

Trillium ludovicianum, the Louisiana wakerobin or Louisiana trillium, is a species of flowering plant in the family Melanthiaceae. It is found only in the south-central United States, in Louisiana, Mississippi, and eastern Texas.

Description

Trillium ludovicianum is a perennial herbaceous plant up to 12 inches (30 cm) tall. Flowers are dark red, purple, or dark green, sometimes with irregular markings. The plant grows in moist woods and floodplains.

Within ten days after the flower opens, the height of the plant (on average) will increase by 50%. In that same period, the length of the petals will almost double.

Taxonomy

Trillium ludovicianum was named and described by the American botanist Thomas Grant Harbison in 1901.

References

1. ^ "Trillium ludovicianum Harb.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 1 April 2023.
2. NRCS. "Trillium ludovicianum". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 15 December 2015.
3. Pistrang, Mark. "Louisiana Trillium (Trillium ludovicianum)". United States Forest Service. Retrieved 7 October 2019.
4. "Trillium ludovicianum". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
5. "Trillium ludovicianum". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 3 October 2019.
6. Lady Bird Johnson Wildflower Center, University of Texas, Trillium ludovicianum Harbison Louisiana wakerobin, Louisiana trillium
7. Case Jr., Frederick W. (2002). "Trillium ludovicianum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 26. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
8. Harbison (1901), pp. 23–24.

Bibliography

• Case, Frederick W.; Case, Roberta B. (1997). Trilliums. Portland, Oregon: Timber Press. ISBN 978-0-88192-374-2.
• Harbison, Thomas G. (1901). "New or little known species of Trillium". Biltmore Botanical Studies. 1 (1): 19–24. Retrieved 20 December 2024.

External links

• Citizen science observations for Trillium ludovicianum at iNaturalist
• United States Department of Agriculture, National Forest Service
• Pacific Bulb Society, Trillium Species Two photos of several species
• Biodiversity Information Serving Our Nation (BISON) occurrence data and maps for Trillium ludovicianum
• "Trillium ludovicianum". NatureServe Explorer. NatureServe, Arlington, Virginia. Retrieved 16 November 2021.

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• Trillium
• Endemic flora of the United States
• Flora of Louisiana
• Flora of Mississippi
• Flora of Texas
• Plants described in 1901
• Taxa named by Thomas Grant Harbison
• Liliales stubs