Petrocosmea

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]

Petrocosmea
Petrocosmea rosettifolia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Gesneriaceae
Tribe: Didymocarpeae
Genus: Petrocosmea
Oliv.
Synonyms

Vaniotia

Petrocosmea forrestii, leaf rosette

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
gollark: I think it's where they take your stuff *out* of hatcheries.
gollark: If you influence then hatch an egg, the hatchling will keep the influence upon teleportation.If you influence an egg and teleport it back, the influence will be lost.
gollark: As a hatchling, yes; as an egg, no.
gollark: It's probably good for getting UVs, given that modern autorefreshers can do quite a lot of views a second (4 on mine) anyway.
gollark: I mean, if you can get the same amount of views in 1m instead of 2m it could allow for shorter experiments. Do those work better? We need to empirically study NDs.

References
  1. Petrocosmea Retrieved November 10th, 2008, from http://www.gesneriads.ca/genpetro.htm
  2. Petrocosmea: An Introduction Retrieved November 10th, 2008, from "Archived copy" (PDF). Archived from the original (PDF) on 2013-05-11. Retrieved 2011-11-23.CS1 maint: archived copy as title (link)
  3. "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. Archived from the original on 2012-02-03. Retrieved 2014-04-26.
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