Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

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.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Elephant Vine

Strophanthus amboensis

Also called Knob Stemmed Poisonroot

Elephant Vine
Photo: SAplants, CC BY-SA 4.0

Strophanthus amboensis is a deciduous scrambling shrub or liana from southern Africa, known for orange-yellow flowers. It is grown mainly as a curiosity by collectors of unusual climbers, and is rarely cultivated.

Family
Apocynaceae (Dogbane family)
Grows as
Shrub, Climber
Light
Full sun, Part shade
Water
Water moderately during the growing season and let the soil dry between waterings; keep nearly dry when dormant.
Soil
Free-draining sandy or gritty mix.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Safety
Toxic: The plant has been used as an arrow poison, and Strophanthus species contain cardiac glycosides that are harmful if eaten.
Native range
DR Congo to NC. Namibia
Climate
desert or dry shrubland

About

Strophanthus amboensis is a plant in the dogbane family Apocynaceae.

Where it grows

Strophanthus amboensis is native to the Democratic Republic of the Congo, Angola and Namibia. Its habitats are forest margins, scrubland or rock fissures, from 450–2,000 m (1,480–6,560 ft) altitude.

Uses

Strophanthus amboensis is used in local traditional medicine treatments for rheumatism, venereal diseases and scabies. The plant has been used as arrow poison.

Other Strophanthus plants

Wood Shaving Flower · Tailless Tail Flower · Goat Horns · Emin's strophanthus · Ouabain · Kombe arrow poison · Preuss' strophanthus · Strophanthus · Forest Poisonrope · Strophanthus welwitschii · Strophanthus

Text excerpted from the Wikipedia article Strophanthus amboensis 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.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…