''Sinomenium'' is a genus of

plant Plants are predominantly Photosynthesis, photosynthetic eukaryotes of the Kingdom (biology), kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all curr ...

in family

Menispermaceae Menispermaceae (botanical Latin: 'moonseed family' from Greek ''mene'' 'crescent moon' and ''sperma'' 'seed') is a family of flowering plants. The alkaloid tubocurarine, a neuromuscular blocker and the active ingredient in the 'tube curare' form ...

first described as a genus in 1910. It contains only one known species, ''Sinomenium acutum'', native to China, northern

India India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is ma ...

, Japan, northern

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

, and also

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republi ...

Fossil record

''Sinomenium''

macrofossil Macrofossils, also known as megafossils, are preserved organic remains large enough to be visible without a microscope. The term ''macrofossil'' stands in opposition to the term microfossil. Microfossils, by contrast, require substantial magnific ...

s have been recovered from the late

Zanclean The Zanclean is the lowest stage or earliest age on the geologic time scale of the Pliocene. It spans the time between 5.332 ± 0.005 Ma (million years ago) and 3.6 ± 0.005 Ma. It is preceded by the Messinian Age of the Miocene Epoch, and ...

stage of

Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58Pocapaglia Pocapaglia ( pms, Pocapaja) is a ''comune'' (municipality) in the Province of Cuneo in the Italian region Piedmont, located about southeast of Turin and about northeast of Cuneo. As of 1-1-2017, it had a population of 3,311 and an area of .All d ...

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

. Macrofossils of ''Sinomenium cantalense'' have been recovered from the

stage of the

Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to t ...

in the

Caucasus The Caucasus () or Caucasia (), is a region between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia (country), Georgia, and parts of Southern Russia. The Caucasus Mountains, including the Greater Caucasus range ...

region.The History of the Flora and Vegetation of Georgia by Irina Shatilova, Nino Mchedlishvili, Luara Rukhadze, Eliso Kvavadze,

Georgian National Museum The Georgian National Museum ( ka, საქართველოს ეროვნული მუზეუმი, tr) unifies several leading museums in Georgia. The museum was established within the framework of structural, institutional, and l ...

Institute of Paleobiology,

Tbilisi Tbilisi ( ; ka, თბილისი ), in some languages still known by its pre-1936 name Tiflis ( ), is the capital and the largest city of Georgia, lying on the banks of the Kura River with a population of approximately 1.5 million p ...

2011,

References

Menispermaceae Menispermaceae genera Monotypic Ranunculales genera Flora of China Flora of India (region) Flora of Japan Flora of Nepal Flora of Thailand {{Ranunculales-stub