The open plant encyclopedia
Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.
The plants people record most in your country, and ones that grow there wild.
Filter by what you want to do, shape, origin, country, care and safety.
Bidens populifolia
Also called Poplar-leaved Bidens
Oahu beggarticks is a rare Hawaiian wildflower in the daisy family, found only in the Koʻolau Range on Oʻahu. It is a conservation concern and is rarely grown, so cultivation advice is limited to general Bidens knowledge.
Bidens populifolia, the Oʻahu beggarticks or poplar-leaved bidens, is a species of flowering plant in the family Asteraceae. It belongs to the genus Bidens, collectively called kokoʻolau or koʻokoʻolau in the Hawaiian language. It is found only in the Koʻolau Range on Oʻahu.
Its natural habitat are montane tropical moist forests, tropical moist shrubland, and rocky areas. It is threatened by habitat loss due to the spread of invasive weeds and overgrazing.
Bidens acrifolia · Bidens acuticaulis · Romerillo · Kokolau · Vancouver Island beggarticks · Bearded beggarticks · Arizona beggarticks · Beck's water-marigold · Delmarva beggarticks · Bigelow's beggarticks · Spanish needles · Bidens cabopulmensis
Text excerpted from the Wikipedia article Bidens populifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
