Warning

Seek urgent medical attention for all ingestions.

Description

A deciduous woody climbing vine popular as a garden ornamental.

The flowers are pea-like and hang in long pendulous clusters, are commonly purple but can also be white or pink in colour.

The leaves are alternate on the stem with either 7-13 (W. sinensis) or 15-19 (W. floribunda) opposite leaflets, one being a terminal leaflet. The leaflets are ovate to elliptic, pointed at the tip and 3-7cm long.

Toxicity

  • Potentially toxic

  • Irritant to skin or eyes

Symptoms

Symptoms can include burning mouth, nausea, abdominal pain, vomiting and diarrhoea, sometimes followed by collapse.

Images

Photo by Mary Louden
Photo by Mary Louden
Photo by Mary Louden

Details

Common name: Japanese wisteria

Botanical nameWisteria floribunda, Wisteria sinensis

Other common names: Chinese wisteria

Family: Fabaceae

General description: A deciduous woody climbing vine popular as a garden ornamental.

Flowers: The flowers are pea-like and hang in long pendulous clusters, are commonly purple but can also be white or pink in colour.

Leaves: The leaves are alternate on the stem with either 7-13 (W. sinensis) or 15-19 (W. floribunda) opposite leaflets, one being a terminal leaflet. The leaflets are ovate to elliptic, pointed at the tip and 3-7cm long.

Fruit/Berries: The fruit is a pod 10-15cm long covered with short pale brown velvet-like hairs and contains 2-3 flat round seeds dark brown in colour.

Other: All parts of the plant are poisonous, but it is most often the seeds or seed pods that are ingested.

Last updated: July 2023