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(First upload on July 28 2015. Last on November 29 2022) [ 日本語 | English ]

Lapsanastrum J. H. Pak et K. Bremer (ヤブタビラコ) Yabutabirako (ヤブタビラコ, 藪田平子), Japanese nipplewort Life form: annual/biennial forb < 0.5 m high Distribution: China - Korea - Japan Habitat: ruderal (roadsides, open spaces, etc.) Involucre inside-scale: 7 Achene: 2.5 mm without a boss on the top Chromosome number: 2n = 8

Synonyms: Lapsana humilis (Thunb.) Makino Lapsana musashiensis Hiyama Youngia humilis (Thunb.) DC. ⇒ Youngia japonica (オニタビラコ)

Lapsanastrum humile in Japan

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Hokkaido

1 2 3
[1-3] along Horonai River in ToEF-HU, central Hokkaido, on June 10 2022.

Honshu

1 2 3
4 5 6
[1-3] at the imperial gardens in the former lawn Shiba detached palace, Tokyo, on May 29 2015. [4-6] under a street tree near Kanda River, Tokyo, on December 17 2016.