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(First upload on April 17 2004. Last on February 7 2014) [ 日本語 | English ]

Youngia Cass. (オニタビラコ) Benibanaborogiku (ベニバナボロギク, 紅花襤褸菊), ebolo, thickhead, redflower ragleaf or fireweed (not be used to avoid confusion) Lifeform: weedy, annual forb < 80 m in height Distribution: originally in Africa firstly reported from Fukuoka Prefecture in 1950 (Osada) or from Kitakyushu City in 1947 (Satake et al.) widespred in south to Kanto District now Habitat: bare grounds, e.g., developed by wildfire and forest cutting, as a pioneer

Seed dispersal: wind Chromosome number: 2n = 40 Synonyms: Crassocephalum rubens auct. non (Juss. ex Jacq.) S. Moore f. luteum Kayama (キバナボロギク)

Crassocephalum crepidioides in Japan

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[1-5] along Hirai River downsteam from the office building of Wakayama Experimental Forest of Hokkaido University, western Japan, on June 27 2024.