Warning

Seek urgent medical attention if lips or tongue become swollen or if there is difficulty breathing or swallowing.

Description

Cultivated as an ornamental, this herb can grow up to 1m tall. Sometimes used in floral arrangements.

Flowers consist of a white to creamy-white spathe, and a central golden yellow spike that is shorter than the spathe. The spathe is about 12–25cm long and tapers to a fine point.

The leaves are fleshy, smooth and shiny, shaped like an arrowhead, about 30cm long, on a 60cm stalk.

Toxicity

  • Potentially toxic

Symptoms

All parts of the plant are poisonous including the yellow spike and surrounding white spathe. If eaten, symptoms can include swelling of the tongue and throat, stomach pain, vomiting and severe diarrhoea. Severe swelling or gastric irritation may become life threatening.

Images

Arum lily flower closeup
Photo by Mary Louden

Details

Common name: Arum lily

Botanical nameZantedeschia aethiopica.

Other common names: Calla lily

Family: Araceae

General description: Cultivated as an ornamental, this herb can grow up to 1m tall. Sometimes used in floral arrangements.

Flowers: Flowers consist of a white to creamy-white spathe, and a central golden yellow spike that is shorter than the spathe. The spathe is about 12–25cm long and tapers to a fine point.

Leaves: The leaves are fleshy, smooth and shiny, shaped like an arrowhead, about 30cm long, on a 60cm stalk.

Fruit/Berries: The fruit are globular succulent berries in an enlarged cluster, orange-yellow, about 10mm in diameter.

Other: The sap is clear.

Last updated: November 2024