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(First upload on December 21 2011. Last on July 16 2022) [ 日本語 | English ]

Stellaria aquatica (L.) Scop.






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

Stellaria L. (ハコベ)
Ushihakobe (ウシハコベ, 牛繁縷), giant chickweed
Lifeform: annual forb
Distribution: (introduced/naturalized, ancient exotic to Japan)
Habitat: moist, disturbed sites

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)
HUSTEP: Plants and Plant communities in Japan (flora list)

Synonyms:

Malachium aquaticum (L.) Fr.
Myosoton aquaticum (L.) Moench

Myosoton Moench (ウシハコベ)

When this genus is separated from Stellaria, the key is the morphology of styles ⇒ one species, M. aquaticum, is distributed in Japan
Myosoton: stigma = quinquefid (split in 4)
Stellaria: stigma = trifid (split in 3)

索引

Stellaria media in the Hokkaido University campus


ST1 ST2 ST3
ST4 ST5 ST6
[1] close to a court used for a smoking area in GSEES, HU, on June 7 2022. [2/3] at the Philosophy Road in the Hokkaidod University Campus on November 10 2011. [4/5] along a paved road close to a small stream near Onneto Visitor Center in Kushiro Moor, eastern Hokkaido, on July 2 2014. [6] in a experimental pot at the backyard of GSES, HU, on October 13 2021.

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