Cistus munbyi
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Cistaceae
Genus: Cistus
Species:
C. munbyi
Binomial name
Cistus munbyi
Pomel[1]
Synonyms[1]

Cistus munbyi is a shrubby species of flowering plant in the family Cistaceae, with white flowers. Related to and resembling Cistus clusii, it is native to Morocco and Algeria in western north Africa.

Description

Cistus munbyi has narrow linear leaves with a single prominent vein, generally 6–30 mm (0.2–1.2 in) long by 1–4 mm (0.0–0.2 in) wide, with edges that are turned down (revolute). The upper surfaces of the leaves are smooth, the lower surfaces have a dense covering of short stellate hairs. It has white flowers.[2] C. munbyi resembles C. clusii, but the flower-bearing branches are longer and the flower stalks (peduncles) and sepals are covered with white hairs, making them appear silky ("sericeus").[3]

Taxonomy

Giles Munby gave a description of this species under the name Cistus sericeus in 1847.[3][4] The name had already been published by Martin Vahl in 1790, so that Munby's name is illegitimate.[5] Auguste Nicolas Pomel published the currently used name in 1874,[1] the specific epithet munbyi honouring Munbyi.

Phylogeny

Molecular phylogenetic studies place C. munbyi in a clade with Cistus clusii within the larger white and whitish pink clade of Cistus species, sister to all the remaining white and whitish pink flowered species.[6][7]

Species-level cladogram of Cistus species.

  Halimium spp.  

     
PPC  
     

  Cistus crispus  

     
     

  Cistus asper  

  Cistus chinamadensis  

  Cistus horrens  

  Cistus ocreatus  

  Cistus osbeckiifolius  

  Cistus palmensis  

  Cistus symphytifolius  

     

  Cistus heterophyllus  

     

  Cistus albidus  

  Cistus creticus  

  Halimium spp.  

  WWPC  
     
     

  Cistus clusii  

  Cistus munbyi  

     

  Cistus inflatus  

  Cistus ladanifer  

  Cistus laurifolius  

  Cistus libanotis  

  Cistus monspeliensis  

  Cistus parviflorus  

  Cistus populifolius  

  Cistus pouzolzii  

  Cistus salviifolius  

  Cistus sintenisii  

  Purple
  Pink
  Clade
  White
  Whitish Pink
  Clade
Species-level cladogram of Cistus species, based on plastid and nuclear DNA sequences.[6][8][2][7]

Distribution and habitat

Cistus munbyi is native to western north Africa, occurring at elevations of up to 100 metres (330 ft) along the Mediterranean coasts of Morocco and Algeria. It occurs in dry, sunny locations, generally in alkaline soils among bushy vegetation.[2] Munby's description was based on a specimen from the cliffs east of Oran.[3]

References

  1. 1 2 3 "Cistus munbyi", The Plant List, retrieved 2015-03-02
  2. 1 2 3 Guzman, B.; Lledo, M.D. & Vargas, P. (2009). "Adaptive Radiation in Mediterranean Cistus (Cistaceae)". PLOS ONE. 4 (7): e6362. Bibcode:2009PLoSO...4.6362G. doi:10.1371/journal.pone.0006362. PMC 2719431. PMID 19668338.
  3. 1 2 3 Munby, G. (1847), "C. sericeus", Flore de l'Algérie ou catalogue des plantes indigènes (in French and Latin), Alger & Montpellier: J.B. Baillière, retrieved 2015-03-21
  4. "Cistus sericeus Munby", The Plant List, retrieved 2015-03-20
  5. "IPNI Plant Name Details for Cistus sericeus Munby", The International Plant Names Index, retrieved 2015-03-21
  6. 1 2 Guzmán, B. & Vargas, P. (2005), "Systematics, character evolution, and biogeography of Cistus L. (Cistaceae) based on ITS, trnL-trnF, and matK sequences", Molecular Phylogenetics and Evolution, 37 (3): 644–660, doi:10.1016/j.ympev.2005.04.026, PMID 16055353, p. 646
  7. 1 2 Civeyrel, Laure; Leclercq, Julie; Demoly, Jean-Pierre; Agnan, Yannick; Quèbre, Nicolas; Pélissier, Céline & Otto, Thierry (2011), "Molecular systematics, character evolution, and pollen morphology of Cistus and Halimium (Cistaceae)", Plant Systematics and Evolution, 295 (1–4): 23–54, doi:10.1007/s00606-011-0458-7, S2CID 21995828
  8. Guzmán, B. & Vargas, P. (2009). "Historical biogeography and character evolution of Cistaceae (Malvales) based on analysis of plastid rbcL and trnL-trnF sequences". Organisms Diversity & Evolution. 9 (2): 83–99. doi:10.1016/j.ode.2009.01.001.
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