Asteraceae

Radiating bur-marigold

Bidens radiata Thuill.

Family: Asteraceae
Genus: Bidens

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Radiating bur-marigold: Habitus of flowering Bidens radiata (Asteraceae). — Photo: Christian Fischer, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (12)

arz: بايدن رادياتا
Belarusian: Ваўчкі праменныя
Chinese: 大羽叶鬼针草, 大羽葉鬼針草
Czech: Dvouzubec paprsčitý
Dutch: Riviertandzaad
English: Radiating bur-marigold
Estonian: Kiirjas ruse
Finnish: Säderusokki
French: Bident radié
German: Strahlender Zweizahn
Polish: Uczep śląski
Swedish: Grönskära

Synonyms

Bidens fastigiata Michalet
Bidens fastigiata var. fastigiata
Bidens foliosa Willd.
Bidens intermedia Opiz ex Nyman
Bidens platycephala Oerst.
Bidens radiata f. perpusilla Domin
Bidens radiata f. radiata
Bidens radiata var. microcephala C.H.An
Bidens radiata var. radiata
Bidens tripartita f. pinnatifida (Turcz. ex DC.) Beck

Flowers

In flower: August to May (from 8,129 flowering iNaturalist observations worldwide)

Photos

Photo: Christian Fischer, CC BY-SA 3.0, from Wikimedia Commons
Photo: Matti Virtala, CC0, from Wikimedia Commons
Photo: Lene Bij, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: oliparis, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Willem Hesseling, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons
Photo: Stefan.lefnaer, CC BY-SA 4.0, from Wikimedia Commons

More in Bidens

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.