Petrocosmea

Petrocosmea
Petrocosmea rosettifolia
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Gesneriaceae
Subfamily: Cyrtandroideae
Genus: Petrocosmea
Oliv.
Synonyms

Vaniotia

Petrocosmea forrestii, leaf rosette

Petrocosmea is a genus of the family Gesneriaceae, the African violet family. Most of the species within this genus are endemic to high-altitude areas in Western China,[1] although some are native to other parts of Asia.[2] It is a rosette forming genus that generally grows on wet mossy rocks or forests.[1][2]

The genus was discovered in China by Augustine Henry and was first described in 1887 by Daniel Oliver (Prof. of Botany, University College, London).[2]

Species

The genus contains around 25 species. The species listed below are taken from The Plant List as of February 2013,[3] unless otherwise indicated.

  • Petrocosmea barbata Craib
  • Petrocosmea begoniifolia C.Y. Wu ex H.W. Li
  • Petrocosmea cavaleriei H. Lév.
  • Petrocosmea coerulea C.Y. Wu ex W.T. Wang
  • Petrocosmea confluens W.T. Wang
  • Petrocosmea duclouxii Craib
  • Petrocosmea flaccida Craib
  • Petrocosmea forrestii Craib
  • Petrocosmea funingensis Zhang, Pan, Meng, Li, Xu & Li [4]
  • Petrocosmea grandiflora Hemsl.
  • Petrocosmea grandifolia W.T. Wang
  • Petrocosmea iodioides Hemsl.
  • Petrocosmea kerrii Craib (including Petrocosmea wardii W.W. Sm.)
  • Petrocosmea longipedicellata W.T. Wang
  • Petrocosmea mairei H. Lév.
  • Petrocosmea martini (H. Lév.) H. Lév.
  • Petrocosmea menglianensis H.W. Li
  • Petrocosmea minor Hemsl. (syn. Petrocosmea henryi Craib)
  • Petrocosmea nervosa Craib
  • Petrocosmea oblata Craib (including Petrocosmea latisepala W.T. Wang)
  • Petrocosmea qinlingensis W.T. Wang
  • Petrocosmea rosettifolia C.Y. Wu ex H.W. Li
  • Petrocosmea sericea C.Y. Wu ex H.W. Li
  • Petrocosmea sichuanensis Chun ex W.T. Wang
  • Petrocosmea sinensis Oliv.

A new species Petrocosmea cryptica J.M.H.Shaw was described in 2011, long known in cultivation but mistakenly identified as P. rosettifolia.[5] A further eight names were considered "unresolved"; they may be extra species or synonyms of existing species:[3]

  • Petrocosmea condorensis Pellegr.
  • Petrocosmea formosa B.L.Burtt
  • Petrocosmea heterophylla B.L.Burtt
  • Petrocosmea ionantha Baill.
  • Petrocosmea kingii (C.B.Clarke) Chatterjee
  • Petrocosmea parryorum C.E.C.Fisch.
  • Petrocosmea umbelliformis B.L.Burtt
  • Petrocosmea xingyiensis Y.G.Wei & F. Wen

References

Wikimedia Commons has media related to Petrocosmea.
  1. 1 2 Petrocosmea Retrieved November 10th, 2008, from http://www.gesneriads.ca/genpetro.htm
  2. 1 2 3 Petrocosmea: An Introduction Retrieved November 10th, 2008, from http://www3.telus.net/vavgs/files/intro_petrocosmea.pdf
  3. 1 2 "Search results for Petrocosmea". The Plant List. Retrieved 2013-02-13.
  4. ↑ Zhang, Qiang; Pan, Bo; Meng, Tao; Li, Guo-Feng; Xu, Wei-Bin; Li, Zhi-Ming. "Petrocosmea funingensis (Gesneriaceae): a new species from southeastern Yunnan, China". Phytotaxa 77 (1): 5–8. doi:10.11646/phytotaxa.77.1.2.
  5. ↑ Shaw, J. (2011). "A new species of Petrocosmea". The Plantsman (New Series) 10 (3): 177–179.


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