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(First upload on May 29 2015. Last on June 5 2021) [ 日本語 | English ]

Papaver L. (ケシ) Nagamihinageshi (ナガミヒナゲシ, 長実雛芥子), long-headed poppy, field poppy or blindeyes Lifeform: variable annuarl forb, ranging form 15 cm to 60 cm high Distribution: Mediterranean - central Europe (exotic to Japan) First report of colonization in Japan was from Tokyo in 1916 Hokkaido Blue List: D, in 1976 reported firstly from Hokkaido (Takahashi 1976)

Habitat: distrubed sites, such as roadsides, open spaces, plowed fields, etc. Morphology: highly-plastic Seedbank: long-term persist Chromosome number: 2n = 28, or 42

Papaver dubium in Hokkaido

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4 5
[1] at a hedge near GSEES, Hokkaido University, on March 28 2015. [2-4] at a unpaved parking lot near GSEES on May 8 2015. The shoots of species abruptly increased in this year. [5] along a paved road in N18/W4, North Ward, Sapporo, on May 14 2021.