Trillium decumbens

Trillium decumbens, also known as the decumbent trillium[2] or trailing wakerobin,[3] is a species of flowering plant in the family Melanthiaceae. It is native to the southeastern United States, in Tennessee, Georgia, and Alabama,[4] growing in mature deciduous woodlands or on open rocky wooded slopes.[5]

Trillium decumbens

Apparently Secure  (NatureServe)[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Liliales
Family: Melanthiaceae
Genus: Trillium
Species:
T. decumbens
Binomial name
Trillium decumbens
Harb., 1902

Harbison first described the species in 1902.[6] Unlike most other trilliums, its stems grow along the ground rather than standing upright, so that the plant appears to rest on the ground. Its leaves are mottled green and bronze, overlaid with silver, dying back early in the season.

T. decumbens is a perennial herbaceous plant that blooms from mid-March to April. The flower petals are dark maroon or purple. After flowering, it bears a dark purple berry.[2]

Several central Georgia populations formerly identified as T. decumbens are thought to constitute a new species, T. delicatum. The latter differs markedly from T. decumbens genetically, morphologically, and ecologically, resembling it only in general appearance.[7]

Bibliography
  • Frett, Jeanne (2007). Trilliums at Mt. Cuba Center: A Visitor's Guide. Mt. Cuba Center Inc. ISBN 978-0-9770848-1-4.
  • Armitage, Allan M. (2011). Armitage's Garden Perennials. Timber Press. pp. 315–317. ISBN 978-1-60469-038-5.
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References
  1. "Trillium decumbens". NatureServe Explorer. NatureServe. Retrieved May 9, 2008.
  2. Case Jr., Frederick W. (2002). "Trillium decumbens". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 26. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  3. "Trillium decumbens". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 December 2015.
  4. "Trillium decumbens". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 7 October 2019.
  5. Pistrang, Mark. "Decumbent Trillium (Trillium decumbens)". United States Forest Service. Retrieved 7 October 2019.
  6. Harbison, T. G. (1902). "New or little known species of Trillium, II". Biltmore Botanical Studies. 1 (2): 158. Retrieved 7 October 2019.
  7. Schilling, Edward E.; Floden, Aaron; Lampley, Jayne; Patrick, Thomas S.; Farmer, Susan B. (2019). "A New Species of Trillium (Melanthiaceae) from Central Georgia and its Phylogenetic Position in subgenus Sessilium". Systematic Botany. 44 (1): 107–114. doi:10.1600/036364419X697958.


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