Trillium pusillum var. texanum(Buckley) Reveal & C.R.Broome
Trillium texanum, the Texas trillium or Texas wakerobin, is a species of flowering plant in the familyMelanthiaceae. It is found in east Texas, extreme southwestern Arkansas, and extreme northwestern Louisiana. Due to its limited range, it is designated as a vulnerable species.
As of April 2023[update], the name Trillium texanumBuckley is widely recognized,[1][2][4][8] but a few authorities regard it as a variety of Trillium pusillum, either T.pusillum var.texanum or T.pusillum var.pusillum.[9][10] The taxon is a member of the Catesbaei group (Trillium subgen.Delostylis), a group of pedicellate-flowered trilliums that includes Trillium catesbaei.
Distribution and habitat
Trillium texanum is found primarily in east Texas,[11] hence the common name Texas trillium. It also occurs in extreme southwestern Arkansas and extreme northwestern Louisiana.[1] It typically grows in forested wetland habitat.[5]
Conservation
As of April 2023[update], the global conservation status of Trillium texanum is listed as vulnerable by both NatureServe and IUCN.[1][2] It is critically imperiled in both Arkansas and Louisiana.[12] It is under review by the U.S.Fish & Wildlife Service.[13]
↑ Reveal, J. L.; Broome, C. R. (1981). "Minor nomenclatural and distributional notes on Maryland vascular plants with comments on the state's proposed endangered and threatened species". Castanea. 46 (1): 50–82.
↑ "Trilliumtexanum". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 7 October 2019.
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