Paphiopedilum subg. Megastaminodium

Paphiopedilum subg. Megastaminodium
	Paphiopedilum canhii in flower in situ
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Cypripedioideae
Genus:	Paphiopedilum
Subgenus:	Paphiopedilum subg. Megastaminodium; Braem & O. Gruss
Type species
	Paphiopedilum canhii;
Species
	Paphiopedilum canhii Aver. & O.Gruss ;

Paphiopedilum subgenus Megastaminodium is a subgenus of the orchid genus Paphiopedilum.^[1] It was erected to accommodate the single species Paphiopedilum canhii due to its distinct characteristics that made it unfit for the other subgenera. Its placement has since been backed by cytological, molecular and micromorphological evidence.^[2]

Distribution

Plants from this subgenus are found in rocky limestone massifs situated in the Kasi district of Vientiane Province of central Laos and a second population 180 km NNW in North-Vietnam at the Laotian border.^[3]

Species

Paphiopedilum subgenus Megastaminodium comprises the following species:

Image	Name	Distribution	Elevation (m)
	Paphiopedilum canhii Aver. & O.Gruss 2010	Laos	600–800 metres (2,000–2,600 ft)

References

^ Braem, Guido; Gruss, Olaf (2011). "Paphiopedilum subgenus Megastaminodium G.J. Braem & O. Gruss a new subgenus to accommodate Paphiopedilum canhii". Orchid Digest. 73 (3): 164–165.
^ Górniak, Marcin; Szlachetko, Dariusz L.; Kowalkowska, Agnieszka K.; Bohdanowicz, Jerzy; Canh, Chu Xuan (January 2014). "Taxonomic placement of Paphiopedilum canhii (Cypripedioideae; Orchidaceae) based on cytological, molecular and micromorphological evidence". Molecular Phylogenetics and Evolution. 70: 429–441. doi:10.1016/j.ympev.2013.08.016. PMID 24001522. Retrieved 9 January 2023.
^ Averyanov, L.V.; Pham, The Van (June 2014). "Paphiopedilum canhii in Laos Phou Phachao Mountain – Mountain of Pahiopedilum canhii". Orchid Digest. 78 (2).

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[1] Braem, Guido; Gruss, Olaf (2011). "Paphiopedilum subgenus Megastaminodium G.J. Braem & O. Gruss a new subgenus to accommodate Paphiopedilum canhii". Orchid Digest. 73 (3): 164–165.

[2] Górniak, Marcin; Szlachetko, Dariusz L.; Kowalkowska, Agnieszka K.; Bohdanowicz, Jerzy; Canh, Chu Xuan (January 2014). "Taxonomic placement of Paphiopedilum canhii (Cypripedioideae; Orchidaceae) based on cytological, molecular and micromorphological evidence". Molecular Phylogenetics and Evolution. 70: 429–441. doi:10.1016/j.ympev.2013.08.016. PMID 24001522. Retrieved 9 January 2023.

[3] Averyanov, L.V.; Pham, The Van (June 2014). "Paphiopedilum canhii in Laos Phou Phachao Mountain – Mountain of Pahiopedilum canhii". Orchid Digest. 78 (2).

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