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Scientific classification e
Kingdom: Plantae
Division: Pteridophyta
Class: Psilotopsida
Order: Ophioglossales
Family: Ophioglossaceae
Subfamily: Mankyuoideae
J.R.Grant & B.Dauphin
Genus: Mankyua
B.Y.Sun, M.H.Kim & C.H.Kim
Species: M. chejuense
Binomial name
Mankyua chejuense
B.Y.Sun, M.H.Kim & C.H.Kim

Mankyua is a recently discovered plant, a single species in its own genus. It is a fern in the Ophioglossales. Its only species, M. chejuense,[1] grows only on Cheju Island of South Korea. While this plant is clearly ophioglossoid in the broad sense, its precise cladistic position is uncertain. It has a fused sporangial structure similar to Ophioglossum, but a vegetative structure, with palmately-radiating pinnae, reminiscent of Helminthostachys. It may be a basal offshoot of the ophioglossoid clade sensu stricto.


Sun, B.-Y., M.H. Kim, C.H. Kim, and C.-W. Park. 2001. Mankyua (Ophioglossaceae): a new fern genus from Cheju Island, Korea. Taxon 50: 1019-1024.

Line Notes[edit]

  1. ^ Sun et al. 2001.