Hedbergia longiflora

Hedbergia longiflora, formerly Bartsia longiflora, is a species of flowering plants in the family Orobanchaceae.[2][1]

Hedbergia longiflora
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae
Tribe: Rhinantheae
Genus: Hedbergia
Species:
H. longiflora
Binomial name
Hedbergia longiflora
A. Fleischm. & Heubl [1]
Synonyms
  • Bartsia longiflora Hochst. ex Benth.

It is an afromontane species, restricted to the mountains of northeastern Africa.[3][4]

A subspecies, Hedbergia longiflora subsp. macrophylla Hedberg, has also been described.[1]

Phylogeny

The phylogeny of the genera of Rhinantheae has been explored using molecular characters.[5][1][6][4][7] Hedbergia longiflora groups with Hedbergia decurva and Hedbergia abyssinica into a Hedbergia clade nested within the core Rhinantheae. These three taxa share evolutionary affinities with genera Tozzia, Bellardia, Neobartsia, Parentucellia, and Odontites.

Genus-level cladogram of tribe Rhinantheae.
  Rhinantheae  
         

  Melampyrum  

 
 
 
         

  Rhynchocorys  

 
 
         

  Lathraea

 
 

  Rhinanthus

 
 
 
  Core Rhinantheae  
         

  Bartsia sensu stricto (Bartsia alpina)

 
 
         

  Euphrasia

 
 
         

  Tozzia

 
 

  Hedbergia
  (including Bartsia decurva + B. longiflora)

 
 
         

  Bellardia

 
 
         

  Neobartsia
(New World Bartsia)

 
 

  Parentucellia

 
 
 
 

  Odontites sensu lato
  (including Bornmuellerantha
  and Bartsiella)

 
 
 
 
 
 
The cladogram has been reconstructed from nuclear DNA (ribosomal ITS) and plastid DNA (rps16 intron, trnK, and other regions) molecular characters.[6][7][1][5][4]
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References
  1. Scheunert, Agnes; Fleischmann, Andreas; Olano-Marín, Catalina; Bräuchler, Christian; Heubl, Günther (2012-12-14). "Phylogeny of tribe Rhinantheae (Orobanchaceae) with a focus on biogeography, cytology and re-examination of generic concepts". Taxon. 61 (6): 1269–1285. doi:10.1002/tax.616008.
  2. "Hedbergia longiflora | International Plant Names Index". www.ipni.org. Retrieved 2020-05-10.
  3. Molau, Ulf (1990). "The genus Bartsia (Scrophulariaceae-Rhinanthoideae)". Opera Botanica. 102: 5–99.
  4. Uribe-Convers, Simon; Tank, David C. (2016-09-01). "Phylogenetic Revision of the Genus Bartsia (Orobanchaceae): Disjunct Distributions Correlate to Independent Lineages". Systematic Botany. 41 (3): 672–684. doi:10.1600/036364416X692299. S2CID 88752480.
  5. Těšitel, Jakub; Říha, Pavel; Svobodová, Šárka; Malinová, Tamara; Štech, Milan (2010-10-28). "Phylogeny, Life History Evolution and Biogeography of the Rhinanthoid Orobanchaceae". Folia Geobotanica. 45 (4): 347–367. doi:10.1007/s12224-010-9089-y. ISSN 1211-9520. S2CID 39873516.
  6. McNeal, J. R.; Bennett, J. R.; Wolfe, A. D.; Mathews, S. (2013-05-01). "Phylogeny and origins of holoparasitism in Orobanchaceae". American Journal of Botany. 100 (5): 971–983. doi:10.3732/ajb.1200448. ISSN 0002-9122. PMID 23608647.
  7. Pinto-Carrasco, Daniel; Scheunert, Agnes; Heubl, Günther; Rico, Enrique; Martínez-Ortegai, M. Montserrat (2017). "Unravelling the phylogeny of the root-hemiparasitic genus Odontites (tribe Rhinantheae, Orobanchaceae): Evidence for five main lineages". Taxon. 66 (4): 886–908. doi:10.12705/664.6. hdl:10366/141004. ISSN 1996-8175.
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