The reinstatement of Ptilimnium texense (Apiaceae) and a new key to the genus

Mary Ann E. Feist

Research output: Contribution to journalArticlepeer-review


Ptilimnium texense J.M. Coult St Rose is currently treated as either a synonym of P costatum (Elliott) Raf. or a hybrid of P. capillaceum (Michx.) Raf. and P. nuttalhi (DC ) Britton. A study utilizing molecular, morphological, and ecological data was undertaken to determine its taxonomic status. Evidence is presented for the recognition of P. texense as a distinct species. Píilimnium texense is endemic to the West Gulf Coastal Plain where it occurs in bogs, acid seeps, and wet pine savannas in east central Texas, west central Louisiana, and southern Arkansas. A key to the genus Ptilimnium Raf is provided.
Original languageEnglish (US)
Pages (from-to)641-651
Number of pages11
JournalJournal of the Botanical Research Institute of Texas
Issue number2
StatePublished - Nov 23 2010


  • INHS
  • Ptihmnium costatum
  • West gulf coastal plain
  • Endemic

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science


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