@article {Alexander:2010:0363-6445:559,
title = "Molecular Phylogenetics and Taxonomy of the Genus Thysanocarpus (Brassicaceae)",
journal = "Systematic Botany",
parent_itemid = "infobike://aspt/sb",
publishercode ="aspt",
year = "2010",
volume = "35",
number = "3",
publication date ="2010-09-01T00:00:00",
pages = "559-577",
itemtype = "ARTICLE",
issn = "0363-6445",
eissn = "1548-2324",
url = "https://www.ingentaconnect.com/content/aspt/sb/2010/00000035/00000003/art00012",
doi = "doi:10.1600/036364410792495926",
keyword = "THELYPODIEAE, TRNL-F, NUCLEAR RIBOSOMAL ITS, FRUIT MORPHOLOGY, HYBRID SPECIATION",
author = "Alexander, Patrick J. and Windham, Michael D. and Govindarajulu, Rajanikanth and Al-Shehbaz, Ihsan A. and Bailey, C. Donovan",
abstract = "The relationships and taxonomy of the genus Thysanocarpus (Brassicaceae) are reassessed based on molecular phylogenetic analyses of nuclear ribosomal (ITS) and chloroplast (trnL-F) sequences and a critical re-examination of morphology and nomenclatural types. Based on
these results, Thysanocarpus is well-supported as a member of tribe Thelypodieae, but no illuminating phylogenetic structure is found within the tribe. The independent origin of similar fruit morphology in Thysanocarpus and Athysanus is confirmed. Within Thysanocarpus,
seven species are recognized: T. conchuliferus, T. curvipes, T. desertorum, T. erectus, T. laciniatus, T. radians, and 
T. rigidus
comb. nov. Thysanocarpus laciniatus is found to have originated through hybridization. However, T. desertorum and 
T. rigidus
,
which have previously been included within T. laciniatus (as T. laciniatus var. hitchcockii and T. laciniatus var. rigidus, respectively), do not share that species' hybrid origin and are distinct both phylogenetically and morphologically. Within T. curvipes,
five subspecies are recognized: 
T. curvipes
subsp. 
amplectens
comb. nov., T. curvipes subsp. curvipes, 
T. curvipes
subsp. 
elegans
comb. nov., 
T. curvipes
subsp. 
longistylus
comb. nov., and 
T.
curvipes
subsp. 
eradiatus
comb. nov. 
Thysanocarpus curvipes
subsp. 
elegans
and 
T. curvipes
subsp. 
longistylus
form clades in ITS and/or trnL-F cladograms as well as showing morphological distinction. The remaining
three subspecies are recognized based on a combination of morphology and geography.",
}