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False rubber tree

Holarrhena floribunda

Also called Conessi Bark, False Rubbertree, Kurchibark

False rubber tree
Photo: Ricardo Lima, CC0

A shrub or small tree from West and Central Africa, grown mainly for its fragrant white flowers and bark used in traditional medicine. It suits warm, seasonally dry tropical climates and is rarely grown as a houseplant.

Family
Apocynaceae (Dogbane family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water regularly during the growing season and let the top of the soil dry out between waterings.
Soil
Well-drained loamy soil.
Temperature
18–35 °C; protect below 10 °C
How easy
Moderate
Safety
Toxic: The bark and other parts contain steroid alkaloids and have been used as arrow poison, so they are harmful if ingested.
Native range
W. Trop. Africa to South Sudan
Climate
seasonally dry tropical

About

Holarrhena floribunda, commonly known as the false rubber tree, conessi bark or kurchi bark, is a plant in the family Apocynaceae.

Where it grows

Holarrhena floribunda is found in a variety of habitats from sea level to 1,000 m (3,300 ft) altitude. The plant is native to a wide range of West and Central Africa from Senegal to Angola.

Uses

Holarrhena floribunda is locally used in traditional medicine as a treatment for dysentery, diarrhoea, fever, snakebite, infertility, venereal disease, diabetes and malaria. The plant has been used as arrow poison.

Text excerpted from the Wikipedia article Holarrhena floribunda 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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