Platycaryeae is a
tribe
The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide use of the term in English is in the discipline of anthropology. The definition is contested, in part due to conflict ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s in the family
Juglandaceae
The Juglandaceae are a plant family known as the walnut family. They are trees, or sometimes shrubs, in the order Fagales. Members of this family are native to the Americas, Eurasia, and Southeast Asia.
The nine or ten genera in the family have ...
, and comprising a single living genus ''
Platycarya
''Platycarya'' is a genus of flowering plants in the family Juglandaceae native to eastern Asia in China, Korea, and Japan.Flora of China''Platycarya''/ref>
The genus was formerly treated as comprising a single species '' Platycarya strobilacea ...
''.
The tribe is now native to eastern
Asia
Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
in
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
,
Korea
Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...
, and
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
.
[Flora of China]
''Platycarya''
/ref>[Flora of China]
''Platycarya strobilacea''
/ref>
A series of fossil genera have been described from the Northern Hemisphere dating between the Early Eocene
In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by th ...
, and gradually becoming confined to East Asia during the Pleistocene
The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...
ice ages. The fossil record is dominated by morphotaxa based on plant material, with isolated fruit, foliage, leaves, pollen, and woods in segregate mophogenera.
Genera
*''Platycarya
''Platycarya'' is a genus of flowering plants in the family Juglandaceae native to eastern Asia in China, Korea, and Japan.Flora of China''Platycarya''/ref>
The genus was formerly treated as comprising a single species '' Platycarya strobilacea ...
''
*†'' Clarnoxylon''
(wood morphotaxon)
*†'' Hooleya'' (fruit morphotaxon)
*†'' Palaeoplatycarya'' (fruit morphotaxon)
*†'' Platycarypollenites'' (pollen morphotaxon)
*†'' Pterocaryopsis'' (fruit morphotaxon)
*†'' Vinea'' (leaf morphotaxon)
References
Rosid tribes
Juglandoideae
{{Fagales-stub