Triaenophora

Triaenophora is a genus of flowering plants native to Temperate Asia.[2] Its family placement is not fully settled, as of March 2022: it may be placed in Orobanchaceae or Plantaginaceae.

Triaenophora
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae (?)
Genus: Triaenophora
Soler.[1]

Taxonomy

The genus Triaenophora was first erected by Hans Solereder in 1909,[1] based on a section of the genus Rehmannia which Joseph Dalton Hooker had called "Trianophora" in 1891.[3] It was initially placed in the family Scrophulariaceae.[1] When that family was shown by molecular phylogenetic studies not to be monophyletic, and so was split up, Triaenophora was placed in Plantaginaceae,[4] a placement still used by Plants of the World Online as of March 2022.[2] Subsequent studies have shown that Triaenophora forms a clade with Rehmannia, basal to parasitic genera in the family Orobanchaceae.[4][5] While a 2009 study left Triaenophora unplaced as to family,[4] a 2019 study placed it in a more broadly circumscribed Orobanchaceae:[5]

Orobanchaceae s.l.

Rehmannia-Triaenophora clade

Lindenbergia clade (Lindenbergieae) 

remaining Orobanchaceae

non-parasitic

Species

As of March 2022, Plants of the World Online accepted four species:[2]

  • Triaenophora bucharica B.Fedtsch.
  • Triaenophora integra (H.L.Li) Ivanina
  • Triaenophora rupestris (Hemsl.) Soler.
  • Triaenophora shennongjiaensis Xi.D.Li, Y.Y.Zan & J.Q.Li

References

  1. "Triaenophora Soler". The International Plant Names Index. Retrieved 2022-03-21.
  2. "Triaenophora Soler". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-03-21.
  3. Hooker, J.D. (1891). "Rehmannia (Trianophora) rupestris". Curtis's Botanical Magazine. Series 3. 47. Tab. 7191. Retrieved 2022-03-21.
  4. Albach, Dirk C.; Yan, Kun; Rosendal Jensen, Søren & Li, Hong-Qing (2009), "Phylogenetic placement of Triaenophora (formerly Scrophulariaceae) with some implications for the phylogeny of Lamiales", Taxon, 58 (3): 749–756, doi:10.1002/tax.583005, retrieved 2022-03-21
  5. Li, Xi; Feng, Tao; Randle, Chris & Schneeweiss, Gerald M. (2019). "Phylogenetic Relationships in Orobanchaceae Inferred From Low-Copy Nuclear Genes: Consolidation of Major Clades and Identification of a Novel Position of the Non-photosynthetic Orobanche Clade Sister to All Other Parasitic Orobanchaceae". Frontiers in Plant Science. 10: 902. doi:10.3389/fpls.2019.00902. PMC 6646720. PMID 31379896.
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