Akebia
Akebia quinata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Lardizabalaceae
Genus: Akebia
Decne.[1]
Species

See text.

Akebia is a genus of five species of flowering plant, within the family Lardizabalaceae. The scientific name, akebia, is a Latinization of the Japanese name for the species Akebia quinata: akebi (通草).

Species

There are five species:[1][2]

FlowerNameCommon nameDistribution
Akebia apetala (Quan Xia, J.Z.Sun & Z.X.Peng) Christenh.China, Japan, Korea, Taiwan
Akebia chingshuiensis T. ShimizuTaiwan
Akebia longeracemosa MatsumuraLong Racemed AkebiaChina and Taiwan
Akebia quinata (Houttuyn) DecaisneChocolate vine or five-leaf akebiaChina, Korea and Japan
Akebia trifoliata (Thunberg) KoidzumiThree-leaf akebiaChina, Korea and Japan

Hybrids

Fruit

Akebia quinata and Akebia trifoliata both bear edible fruit, containing a sweet white flesh.[3] Flavor varies greatly in akebias, even within the same species, with some individuals displaying a complex flavor profile resembling a mixture of banana, passionfruit and lychee, with others being mild, or even insipid (flavorless).[4] The "insipid" akebia varieties have the flavor intensity of dragon fruit[5]

Akebia in Japan

Akebia is often mentioned in Japanese literature, where it is evocative of pastoral settings.[6] Although the akebi commonly refers to the five-leafed species, the three-leafed species is used in much the same way for novelty food, medicine, and for vine material.

While only a minor food eaten while foraging in the past, akebia is considered a specialty crop today, only available when in season. The pods contain a white, semi-translucent gelatinous pulp that is mildly sweet and full of seeds.[7] The taste is described as sweet but rather "insipid".[7] Some people recollect in idyllic terms how they foraged for it in the hills as children.[8]

The purple-colored, slightly bitter rind has been used as a vegetable in Yamagata Prefecture[8][9] or in those northern areas, where the typical recipe calls for stuffing the rind with minced chicken (or pork) flavored with miso.[9] Minor quantities of akebia are shipped to the urban market as a novelty vegetable.

In addition to consuming the fruit, akebia leaves are also made into a tea infusion.[6] Outside of food and drinks, akebia vines are used for basket-weaving crafts. An old source lists Minakuchi, Shiga and Tsugaru (now Aomori Prefecture) as localities that produced baskets from the vines of trifoliate variety.[10]

Akebia fruit growing in western Washington
Ripe Akebia quinata grown in Washington state

Akebia in North America

Akebia quinata is a minor invasive species in the majority of the East Coast and was introduced in 1845 as an ornamental plant.[11] This is because the plant has no natural predators or diseases in North America and can grow as it pleases. Its shade tolerance and ability to endure full sun allow it to adapt to nearly all conditions in is grown in. In the East Coast, Akebia quinata has been reported in, Florida, Georgia, Alabama, Louisiana, Tennessee, South Carolina, North Carolina, Missouri, Kentucky, Virginia, West Virginia, Ohio, Indiana, Illinois, Delaware, Maryland, Pennsylvania, New Jersey, Massachusetts, Vermont, Connecticut, Rhode Island, and as far north as Michigan and Wisconsin.[11]

In the West Coast of the United States, Akebia quinata has not become a very invasive species.[11] However, it has been reported in Washington State and Oregon.[12]

References

  1. 1 2 "Akebia Decne". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2020-10-10.
  2. ↑ "Akebia". Flora of China. Retrieved 2009-04-05.
  3. ↑ "Akebia quinata". PFAF.
  4. ↑ "Akebia: A Potential New Fruit Crop in China". HortScience. Archived from the original on 2018-04-06.
  5. ↑ "Chocolate Vine - Akebia quinata | North Carolina Extension Gardener Plant Toolbox". plants.ces.ncsu.edu. Retrieved 2023-01-09.
  6. 1 2 Davidson, Alan, and Tom Jaine. The Oxford companion to food. Oxford University Press, USA, 2006. 805. Print. Retrieved Aug. 09, 2010, from
  7. 1 2 Sargent, Charles Sprague (March 25, 1891), "Plant Notes-The Fruit of Akebia quinata (With Figure.)" (google), Garden and Forest, 4 (161): 136
  8. 1 2 Nimura, Kazuo(二村一夫)r (2006-07-22). "食の自分史" [Self-history on food]. 『食の自分史』. Retrieved 31 January 2017.
  9. 1 2 Yamagata City Health Center (2011-01-31). "あけびの詰め物" [stuffed akebia]. Archived from the original on 19 October 2011. Retrieved 31 January 2017., photograph shows trifoliate variety (twig, fresh purple plant, and prepared dish)
  10. ↑ Dai Nihon Nōkai (1895). Useful plants of Japan: described and illustrated (google). Vol. 1. Agricultural Society of Japan. p. 92.
  11. 1 2 3 "chocolate vine: Akebia quinata (Ranunculales: Lardizabalaceae): Invasive Plant Atlas of the United States". www.invasiveplantatlas.org. Retrieved 2023-01-09.
  12. ↑ maryholscher (2019-10-13). "Five-leaf Akebia (Akebia quinata)". iNaturalist. Retrieved 2023-01-09.

Further reading

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