Abstract Detail

Systematics

Floden, Aaron [1], Knapp, Wesley [2].

Phylogenetics of the North American Trillium erectum-group (Melanthiaceae).

The North American species in the Trillium erectum-group includes some of the pedicellate species of Trillium. The erectum-group is the only clade of Trillium that has a North American-Asian disjunction pattern. In North America, the distribution of the erectum-group is disjunct with one species in W NA (T. hibbersonii) and the remainder in eastern North America. Most of the North American diversity is in the Southern Appalachians with several local endemics, e.g. T. simile and T. vaseyi. Here we provide phylogenetic analyses using the Angiospermum 353 nuclear capture kit and genomic skimming data to discern the number of species and their relationships with a secondary focus on their apparent hybridization in the Southern Appalachians.

1 - Missouri Botanical Garden, Research, 4344 Shaw Blvd, St. Louis, MO, 63121, USA
2 - NatureServe, Botany, Arlington, VA, 22202, United States

Keywords:
Trillium
nuclear genes
phylogeny
hybridization.

Presentation Type: Oral Paper
Number: SYST I002
Abstract ID:658
Candidate for Awards:None