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

Piper excelsum

Piper excelsum
Photo: Kahuroa, Public domain

Kawakawa is a small, slow-growing tree from New Zealand and nearby Pacific islands, valued in gardens and Māori tradition for its heart-shaped leaves. It thrives in mild, humid conditions with shelter from strong sun and cold.

Family
Piperaceae (Pepper family)
Grows as
Tree
Light
Part shade, Bright indirect
Water
Keep the soil evenly moist during the growing season and let the top layer dry slightly between waterings.
Soil
Moist, well-drained, fertile soil or a rich potting mix.
Temperature
12–28 °C; protect below 5 °C.
How easy
Easy
Safety
Mildly toxic: The essential oil contains myristicin, which can act as a deliriant at high concentrations.
Edible
Yes, some parts
Native range
New Zealand, Society Is. (Tahiti)
Climate
wet tropical

About

Piper excelsum (formerly known as Macropiper excelsum) of the pepper family (Piperaceae) and commonly known as kawakawa, is a small tree of which the subspecies P. excelsum subsp. excelsum is endemic to New Zealand; the subspecies P. e. subsp. psittacorum is found on Lord Howe Island, Norfolk Island and the Kermadec Islands.

Uses

Kawakawa was used as a traditional medicinal plant of the Māori. An infusion made from the leaves or roots was used or its leaves were chewed to relieve toothache, and wounds were often bound in kawakawa leaves. The sweet edible yellow berries (most often found in summer on female trees) of the plant were eaten as a diuretic. Traditionally, leaves with holes that had been eaten by caterpillars were considered the best to use.

Text excerpted from the Wikipedia article Piper excelsum 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…