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(Upload on November 22 2013) [ 日本語 | English ]

Scleranthus L. (シバツメクサ) Shibatsumekusa (シバツメクサ, 芝爪草), annual knawel, German knotweed or German moss Lifeform: annual/biennial forb with low, well-branched spreading stems up to 15 cm long Distribution: Europe - Asia - North Africa Hokkaido Blue List: B

Habitat: in soil pockets among rocks, on bare places, on disturbed sandy soil on heaths, in arable fields, in sand pits, in quarries and occasionally on shingle on the coast or beside rivers Chromosome number: 2n = 44

Scleranthus annuus in Hokkaido

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[1-3] on the banks of the Honkawa River, a tributary of the Satsunai River, on June 23 2025.