''Clematoclethra'' is a genus of plants in the family

Actinidiaceae The Actinidiaceae are a small family (biology), family of flowering plants. The family has three genus, genera and about 360 species and is a member of the order Ericales. Distribution They are temperate and subtropical woody plant, woody vines, ...

. It contains about 20 species and is endemic to subtropical and temperate regions of central and western

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 ...

. Monophyly of the group is supported by genetic evidence and also evidence based on the cell biology of members of the genus. Monophyly of the genus is also supported by micromorphological characters of foliar trichomes and by phylogenetic analysis, although the exact evolutionary relationships of this genus with the other two genera of the Actinidiaceae, the ''

Actinidia ''Actinidia'' is a genus of woody and, with a few exceptions, dioecious plants native to temperate eastern Asia, occurring throughout most of China, Taiwan, Korea, and Japan, and extending north to southern areas of Russian Far East and south ...

'' and the ''

Saurauia ''Saurauia'' is a genus of plants in the family Actinidiaceae. It comprises about over 300 species distributed in the tropics and subtropics of Asia and South and Central America. Genetic evidence and the cell biology of the group support monophy ...

'', are not well understood. The floral characteristics of the ''Clematoclethra'' are similar to the other members of the Actinidiaceae. The main floral differences between the ''Clematoclethra'' and the other members of the Actinidiaceae are that members of the ''Clematoclethra'' have 10 stamens instead of numerous stamens, and have a united, hollow, and fluted style as compared to a free style that the other members of the Actinidiaceae have. ''Clematoclethra'' has been described as being

dioecious Dioecy ( ; ; adj. dioecious, ) is a characteristic of certain species that have distinct unisexual individuals, each producing either male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is ...

or having bisexual flowers in the literature.

References

{{Taxonbar, from=Q16389285 Actinidiaceae Ericales genera