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

Brittle False Pimpernel

Torenia crustacea

Also called Malaysian False Pimpernel, False Pimpernel

Brittle False Pimpernel
Photo: edurafi2, CC BY-SA 4.0

Torenia crustacea is a small, low-growing annual or short-lived perennial herb from Asia, now widespread in warm regions and often a weed in rice paddies and wet ground. It thrives in consistently moist soil and spreads by rooting at the nodes.

Family
Linderniaceae (Linderni family)
Grows as
Annual, Perennial
Light
Part shade, Full sun
Water
Keep the soil consistently moist, as it naturally grows in wet ditches and paddies.
Soil
Moist, fertile, well-drained loam or garden soil that holds water.
Temperature
Warm tropical conditions, roughly 20–32 °C; protect from frost.
How easy
Easy
Native range
Tropics & Subtropics
Climate
seasonally dry tropical

About

Torenia crustacea, commonly known as the Malaysian false pimpernel or brittle false pimpernel, is a species of annual or short-lived perennial flowering plant in the family Linderniaceae. Native to Asia, it has become widely distributed throughout tropical and subtropical regions worldwide and is considered a minor weed in rice paddies and other agricultural areas.

Where it grows

Torenia crustacea is native to tropical and temperate Asia, including China, India, Japan, Malaysia, Indonesia, and the Philippines. It has been widely introduced and naturalised throughout tropical and subtropical regions worldwide, including Africa, Australia, the Pacific Islands, Central America, South America, the Caribbean, and the southeastern United States.

Other Torenia plants

Bluewings

Text excerpted from the Wikipedia article Torenia crustacea 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…