Fragaria yezoensis
Encyclopedia
Fragaria yezoensis is a species of strawberry
Strawberry
Fragaria is a genus of flowering plants in the rose family, Rosaceae, commonly known as strawberries for their edible fruits. Although it is commonly thought that strawberries get their name from straw being used as a mulch in cultivating the plants, the etymology of the word is uncertain. There...

 native to the eastern side of the Japanese
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 island of Hokkaidō
Hokkaido
, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

, and the adjacent Kuril Islands
Kuril Islands
The Kuril Islands , in Russia's Sakhalin Oblast region, form a volcanic archipelago that stretches approximately northeast from Hokkaidō, Japan, to Kamchatka, Russia, separating the Sea of Okhotsk from the North Pacific Ocean. There are 56 islands and many more minor rocks. It consists of Greater...

 and Sakhalin
Sakhalin
Sakhalin or Saghalien, is a large island in the North Pacific, lying between 45°50' and 54°24' N.It is part of Russia, and is Russia's largest island, and is administered as part of Sakhalin Oblast...

 in Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It is of no economic value. Some botanists include the very similar Fragaria nipponica
Fragaria nipponica
Fragaria nipponica is a species of strawberry native to the western side of the Japanese island of Honshū, with a variety Fragaria nipponica var. yakusimensis on Yakushima. Some botanists treat it as a synonym of Fragaria yezoensis....

in F. yezoensis as a synonym.
All strawberries have a base haploid count of 7 chromosomes. Fragaria yezoensis is diploid, having 2 pairs of these chromosomes for a total of 14 chromosomes.

External links

  • Oda, Y. 2002. Photosynthetic characteristics and geographical distribution of diploid Fragaria species native in Japan. Acta Hort. 567: 381-384. Abstract.
  • Hummer, K.E., Sabitov, A., & Davis, T. 2005. Iturup And Sakhalin Island Strawberries. Hortscience 40(4): 1127. Abstract.
  • F. yezoensis data from GRIN Taxonomy Database
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