(First upload on September 1 2013. Last on June 8 2014) [ 日本語 | English ]

Taraxacum venustum H. Koidzumi

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Taraxacum Cass. (タンポポ)
Ezotampopo (エゾタンポポ, 蝦夷蒲公英), Ezo dandelion
Lifeform: perennial forb < 40 cm high
Distribution: endemic to northern Japan (north to Chubu District), or also in central Europe
Habitat: grasslands
Seed dispersal: well-known as wind
Utilziation: edible and ornamental
Synonyms (controversial):
Taraxacum hondoense auct. non Nakai ex H. Koidz.
Also, the following species are sometimes considered to be the synonyms:
T. brachyphyllum H. Koidz., T. denticulato-marginatum H. Koidz., T. fujisanense H. Koidz., T. kuzakaiense Kitam., T. leiophyllum H. Koidz., T. miyabei H. Koidz., T. muraii H. Koidz., T. neorhodobasis H. Koidz., T. robustius H. Koidz., T. shinanense H. Koidz., T. sonchifolium H. Koidz., T. towadense H. Koidz., Taraxacum yatsugatakense H. Koidz., and Taraxacum yukii H. Koidz.
  • Hoya A, Shibaike H, Morita T & Ito M. 2007. Germination characteristics of native Japanese dandelion autopolyploids and their putative diploid parent species. Journal of Plant Research 120: 139-147

Taraxacum venustum in Hokkaido

[1] at the summit of Higashi-Nupukaushinupuri (1252 m elevation), eastern Hokkaido, on June 27 2013. [2/3] at the Nishiyama Creters of Mount Usu (有珠山) on May 9 2014 ⇒ flora. There were many T. officinale shoots on and around the craters, and they might make hybrid with T. venustum.