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(Upload on July 8 2016) [ 日本語 | English ]

Oenothera laciniata Hill






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

Oenothera L. (マツヨイグサ)
Komatsuyoigusa (コマツヨイグサ, 小待宵草), cutleaf evening-primrose
Lifeform: biennial/perennial forb
Distribution: native to the North America → immigrated to Asia and Africa

reported from the whole of Japan (firstly reported in 1910's)
Hokkaido Blue List: D

Habitat: seasides, open lands, riversides, etc.
f. integrifolia Jansen et Kloos (マルバコマツヨイグサ)
var. grandiflora (S. Watson) B. L. Rob. (オオバナコマツヨイグサ, syn.)Oenothera grandis (Britton) Smyth
索引

Oenothera laciniata in Hokkaido


ST1 ST2
ST3 ST4
[1-4] in Oi Pier Seaside Park, Tokyo, on June 3 2016.

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