Pleurozia

Pleurozia
Scientific classification
Kingdom: Plantae
Division: Marchantiophyta
Class: Jungermanniopsida
Order: Pleuroziales
Family: Pleuroziaceae
(Schiffn.) Müll. [1]
Genus: Pleurozia
Dumort. [2]
Species

Pleurozia acinosa
Pleurozia articulata
Pleurozia caledonica
Pleurozia conchifolia
Pleurozia curiosa
Pleurozia gigantea
Pleurozia heterophylla
Pleurozia johannis-winkleri
Pleurozia paradoxa
Pleurozia pocsii
Pleurozia purpurea
Pleurozia subinflata

Synonyms

Eopleurozia Schust.
Physiotium Nees

Pleurozia is the only genus of liverworts in the family Pleuroziaceae, which is now classified in its own order Pleuroziales, but was previously included in a broader circumscription of the Jungermanniales.[3] The genus includes eleven species,[4] and as a whole is both physically distinctive and widely distributed.[5] The lower leaf lobes of Pleurozia species are fused, forming a closed water sac covered by a movable lid similar in structure to those of the angiosperm genus Utricularia. These sacs were assumed to play a role in water storage, but a 2005 study on Pleurozia purpurea found that the sacs attract and trap ciliates, much in the same way as Utricularia. Observations of plants in situ also revealed a large number of trapped prey within the sacs, suggesting that the species in this genus obtain some benefit from a carnivorous habit. After Colura, this was the second report of zoophagy among the liverworts.[6]

Taxonomy

Genus Pleurozia Dumortier 1835 [Physiotium Nees 1838; Eopleurozia Schuster 1961]
  • Species Pleurozia pocsii Müller 2013
Subgenus (Pleurozia)
  • Species Pleurozia gigantea (Weber 1815) Lindberg 1874
Subgenus (Constantifolia) Thiers 1993
  • Species Pleurozia purpurea Lindberg 1877
  • Species Pleurozia conchifolia (Hooker & Arnott 1832) Austin 1874
Subgenus (Diversifolia) Thiers 1993
  • Species Pleurozia acinosa (Mitten 1860) Trevisan 1877
  • Species Pleurozia articulata (Lindberg 1870) Lindberg & Lackström 1874
  • Species Pleurozia caledonica (Gottsche ex Jack 1886) Stephani 1906a
  • Species Pleurozia curiosa Thiers 1993
  • Species Pleurozia heterophylla Stephani ex Fulford 1972
  • Species Pleurozia johannis-winkleri Herzog 1931
  • Species Pleurozia paradoxa (Jack 1886) Schiffner 1893
  • Species Pleurozia subinflata (Austin 1869) Austin 1874

References

  1. ↑ Müller, K. (1909). Die Lebermoose Deutschlands, Oesterreichs und der Schweiz, mit Berücksichtigung der übrigen Länder Europas. Rabenhorst's Kryptogamen-Flora. Leipzig.
  2. ↑ Dumortier, B. C. (1835). Recueil d'observations sur les Jungermanniacées. fasc. 1. Tournay. pp. 1–27.
  3. ↑ Schuster, Rudolf M. (1966). The Hepaticae and Anthocerotae of North America. I. New York: Columbia University Press. pp. 381–384.
  4. ↑ Thiers, Barbara M. (1993). "A Monograph of Pleurozia (Hepaticae; Pleuroziaceae)". The Bryologist. 96 (4): 517–554. doi:10.2307/3243984.
  5. ↑ Jones, E. W. (2004). Liverwort and Hornwort Flora of West Africa. Scripta Botanica Belgica. 30. Meise: National Botanic Garden (Belgium). pp. 197–198. ISBN 90-72619-61-7.
  6. ↑ Hess, Sebastian; Frahm, Jan-Peter; Theisen, Inge (2005). "Evidence of zoophagy in a second liverwort species, Pleurozia purpurea". The Bryologist. 108 (2): 212–218. doi:10.1639/6.
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