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(First upload on January 22 2013. Last on October 9 2024) [ 日本語 | English ]

Senecio L. (キオン) Narutosawagiku (ナルトサワギク, 鳴門沢菊), Madagascar ragwort Lifeform: weedy annual-perennial forb Distribution: Madagascar and southern Africa (exotic to western Japan, not found in Hokkaido) Poisonous plant → pyrrolizidine alkaloids → assigned as an invasive alien species Habitat: roadsides

→ Flora on Mount Usu HUSTEP: Plants and Plant communities in Japan (flora list) Seed dispersal: wind (like a dandelion) Synonyms: Senecio burchellii auct. non DC. Senecio incognitus Cabrera Senecio junodianus O. Hoffm. Senecio paludosus auct. non L. Senecio ruderalis Harv.

Senecio madagascariensis in Japan

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[1-3] in front of the arrival gate of Kobe Airport on September 18 2012. [4-6] in an openland beside Nanki Kumano GeoPark Center, western Japan, on June 25 2024.