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Wiebke's beggarticks

Bidens wiebkei

Also called Ko`oko`olau

Wiebke's beggarticks
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0

Bidens wiebkei is a rare Hawaiian perennial herb in the daisy family, known from only three remaining sites on Molokai, with fewer than 1000 plants left. It is not a common garden plant, so the care guidance below is general and drawn from related Bidens species.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water when the top of the soil is dry; keep evenly moist while establishing.
Soil
Well-drained soil or potting mix.
Temperature
18–30 °C; protect below 10 °C
How easy
Hard
Native range
Hawaiian Is. (NE. Molokai)

About

Bidens wiebkei, the Molokaʻi koʻokoʻolau or Wiebke's beggarticks, 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 on Molokaʻi in the Hawaiian Islands. There are three occurrences of the plant remaining, for a total population of fewer than 1000.

This is a perennial herb growing erect to a maximum height near one meter. It has compound leaves divided into leaflets and bears clusters of flower heads with yellow ray florets. Its natural habitat types include lowland moist forests and moist shrubland.

Other Bidens plants

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 wiebkei 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.

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