A new Hexastylis (Aristolochiaceae) from Northeast Alabama (U.S.A.) with notes on the species “groups” within the genus

  • Brian R. Keener University of West Alabama, Biological and Environmental Sciences
Keywords: aristolochiaceae, alabama, hexastylis

Abstract

A new species of HexastylisH. finzelii—is herein described from northeast Alabama. The historical species groups within Hexastylis are re-evaluated.

References

Blomquist, H.L. 1957. A revision of Hexastylis of North America. Brittonia 8:255–281.

Gaddy, L.L. 1987. A review of the taxonomy and biogeography of Hexastylis (Aristolochiaceae). Castanea 52:186–196.

Griffith, G.E., J.M. Omernik, J.A. Comstock, G. Martin, A. Goddard, & V.J. Hulcher. 2001. Ecoregions of Alabama. U.S.

Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Corvallis, Oregon, U.S.A.

IUCN. 2012. IUCN Red List and Categories and Criteria, Version 3.1. Prepared by the IUCN Species Survival Commission. Gland Switzerland and Cambridge, UK. International Union for Conservation of Nature and Natural Resources.

Keener, B.R., A.R. Diamond, Jr., L.J. Davenport, P.G. Davison, S.L. Ginzbarg, C.J. Hansen, C.S. Major, D.D. Spaulding, J.K. Triplett, & M. Woods. 2020. Alabama Plant Atlas. url: http://www.floraofalabama.org. Accessed July 2020.

Kelly, L.M. 1997. A cladistic analysis of Asarum (Aristolochiaceae) and implications for the evolution of Herkogamy. Amer. J. Bot. 84:1752–1765.

Kelly, L.M. 1998. Phylogenetic relationships in Asarum (Aristolochiaceae) based on morphology and ITS sequences. Amer. J. Bot. 85:1454–1467.

Kelly, L.M. 2001. Taxonomy of Asarum section Asarum (Aristolochiaceae). Syst. Bot. 26:17–53.

Osborne, W.E. & W.E. Ward II. 2010. Geologic Map of the Guntersville Dam 7.5-minute Quadrangle, Madison and Marshall counties, Alabama. Geological Survey of Alabama, Quadrangle Series Map 53. Tuscaloosa, Alabama, U.S.A.

Sinn, B.T. 2015. Asarum chueyi (Aristolochiaceae), a new species from the foothills of the Blue Ridge Mountains of Tennessee and Virginia, USA. Phytotaxa 224(1):85–95.

Sinn, B.T. 2017. Asarum rosei (Aristolochiaceae), a new species from the Blue Ridge Escarpment of North Carolina, USA. Phytotaxa 296 (1):53–62.

Sinn, B.T., L.M. Kelly, & J.V. Freudenstein. 2015. Phylogenetic relationships in Asarum: effect of data partitioning and a revised classification. Amer. J. Bot. 102:765–779.

Takahashi, D. & H. Setoguchi. 2018. Molecular phylogeny and taxonomic implications of Asarum (Aristolochiaceae) based on ITS and matK sequences. Pl. Sp. Biol. 33:28–41.

U.S. Fish and Wildlife Service/Environmental Conservation Online System. Harper’s heartleaf (Hexastylis speciosa). Retrieved July 3, 2020, from https://ecos.fws.gov/ecp0/profile/speciesProfile;jsessionid=4475860E91273C6169C5D31A32CDDBAE?spcode=Q0ZD

Weakley, A.S. 2015. Flora of the southern and mid-Atlantic states, working draft of 21 May 2015. University of North Carolina Herbarium, North Carolina Botanical Garden, Chapel Hill, NC. Also accessible at http://www.herbarium.unc.edu/flora.htm.

Whittemore, A.T. & L.L. Gaddy. 1997. Hexastylis. In: Flora of North America Editorial Committee, Flora of North America north of Mexico. Volume 3, Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York, New York, U.S.A. Pp. 54–58.

Published
2020-12-07
How to Cite
Keener, B. R. (2020). A new Hexastylis (Aristolochiaceae) from Northeast Alabama (U.S.A.) with notes on the species “groups” within the genus. Journal of the Botanical Research Institute of Texas, 14(2), 161-166. https://doi.org/10.17348/jbrit.v14.i2.999