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(Upload on January 10 2020) [ 日本語 | English ]

Helenium L. (ダンゴギク) Matsubaharushagiku (マツバハルシャギク, 松葉波斯菊), yellow sneezeweed, yellowdicks, fiveleaf sneezeweed, or bitterweed Lifeform: annual forb Distribution: central-southern North America - northern Mexico Habitat: dry, open, anthropogenic or disturbed habitats Multiple sources describe H. amarum as thriving in anthropogenic or disturbed areas, including, roadsides, overgrazed pastures and urbanized areas

Chromosome number: 2n = 30 Use: ornamental and gardening = cultivars, e.g., Dakota gold, goldfield, sunny boy var. badium (A. Gray ex S. Watson) Waterfall

Helenium amarum grown in Japan

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[1-3] in Fukuoka Zoo and Botanical Garden, northern Kyushu, on September 20 2025.