Phylogeny of Amorpheae (Fabaceae: Papilionoideae)

Michelle M Mcmahon, Larry Hufford

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The legume tribe Amorpheae comprises eight genera and 240 species with variable floral form. In this study, we inferred a phylogeny for Amorpheae using DNA sequence data from the plastid trnK intron, including matK, and the nuclear ribosomal ITS1, 5.8S, and ITS2. Our data resulted in a well-resolved phylogeny in which the tribe is divided into the daleoids (Dalea, Marina, and Psorothamnus), characterized by generally papilionaceous corollas, and the amorphoids (Amorpha, Apoplanesia, Errazurizia, Eysenhardtia, and Parryella), characterized by non-papilionaceous flowers. We found evidence for the paraphyly of Psorothamnus and for the monophyly of Dalea once D. filiciformis is transferred to monophyletic Marina. Errazurizia rotundata is more closely related to Amorpha than to the other errazurizias, and Eysenhardtia is supported to be monophyletic. The monotypic Parryella and Apoplanesia are placed within the amorphoids. Among Papilionoideae, trnK/matK sequence data provide strong evidence for the monophyly of Amorpheae and place Amorpheae as sister to the recently discovered dalbergioid clade.

Original languageEnglish (US)
Pages (from-to)1219-1230
Number of pages12
JournalAmerican Journal of Botany
Volume91
Issue number8
DOIs
StatePublished - Aug 2004
Externally publishedYes

Fingerprint

Errazurizia
Parryella
Faboideae
Psorothamnus
Marina (legume)
Eysenhardtia
Phylogeny
Dalea
Amorpha
Fabaceae
phylogeny
marina
monophyly
paraphyly
Plastids
plastid
Introns
plastids
introns
flower

Keywords

  • Amorpheae
  • Fabaceae
  • Floral evolution
  • ITS
  • Papilionoideae
  • Phylogeny
  • TrnK/matK

ASJC Scopus subject areas

  • Plant Science

Cite this

Phylogeny of Amorpheae (Fabaceae : Papilionoideae). / Mcmahon, Michelle M; Hufford, Larry.

In: American Journal of Botany, Vol. 91, No. 8, 08.2004, p. 1219-1230.

Research output: Contribution to journalArticle

Mcmahon, Michelle M ; Hufford, Larry. / Phylogeny of Amorpheae (Fabaceae : Papilionoideae). In: American Journal of Botany. 2004 ; Vol. 91, No. 8. pp. 1219-1230.
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