Queensland Government
Children’s Health Queensland Hospital and Health Service
>Poisonous plants

Stinging nettles (Urtica urens)

Stinging nettles (Urtica urens) These soft herbs occur as weeds in damp areas and are sparsely covered with rigid, stinging hairs. The flowers are small and greenish in colour. The leaves are opposite to each other on the stem and have serrated margins. The two species are very similar but the leaves [...]

Taro (Colocasia)

Taro (Colocasia) Large ornamentals grown for their huge heart-shaped leaves. The roots, when cooked, are an important food source in the Pacific region. Except for the leaves, the plants are similar in appearance to cunjevoi (Alocasia brisbanensis and Alocasia macrorrhizos). The flowers are a yellow coloured spathe or sheath about 15-21cm long, [...]

Rhus (Toxicodendron succedaneum)

Rhus (Toxicodendron succedaneum) A small deciduous tree up to 8m tall, cultivated, cultivated as a garden plant for its spectacular scarlet and crimson autumn foliage. The flowers are small, creamy white to yellow, found among the leaves. Toxicity category: 2, 3 Warning: For all eye exposures to sap, rinse [...]

Snow on the mountain (Euphorbia marginata)

Snow on the mountain (Euphorbia marginata) An annual herb to 60cm, often grown as a garden ornamental. Flowers are insignificant, grouped at the ends of branches, with a number of broad, petal-like, white or green bracts surrounding them. Opposite leaves are 2.5-7.5cm long and 1-2.5cm wide, green with a white margin [...]

Snowflake (Euphorbia leucocephala)

Snowflake (Euphorbia leucocephala) Small shrub to 3m grown as a garden ornamental. The flowers are small, grouped together at the ends of branches and surrounded by white leaf-like bracts. The leaves are light green, lance-shaped, usually opposite or in whorls of three or more, and measuring 2.5 to 8cm in length. Toxicity [...]

Cunjevoi (Alocasia brisbanensis)

Cunjevoi (Alocasia brisbanensis) These two native species are very similar in appearance. They grow to 2.5m high with large fleshy leaves and thick fleshy rootstock and stems, which can be semi-prostrate. The perfumed flowers consist of a greenish cream coloured spathe, which is pointed at the tip and open along [...]

Silky oak (Grevillea robusta)

Silky oak (Grevillea robusta) A very tall, native tree with furrowed grey bark often cultivated as an ornamental. The timber has been popular for cabinet work and furniture, although is not as commonly used now. The flowers are orange-yellow and occur in dense spikes at the ends of the branches. [...]

Japanese honeysuckle (Lonicera japonica)

Japanese honeysuckle (Lonicera japonica) An evergreen woody climber or trailing shrub with fragrant flowers cultivated as a garden ornamental growing up to 10m, young growth softly hairy with flaky bark on older stems. Highly fragrant white flowers to 4cm long turning yellowish with age are tubular and two-lipped with the upper [...]

Sea mango (Cerbera manghas)

Sea mango (Cerbera manghas) An evergreen shrub or small tree to 10m commonly found in coastal habitats and scrubs close to the foreshore. Fragrant flowers are white with a pink throat, tubular with five petals, 3 to 5cm in diameter and held at the ends of the branches. Leaves are prominently veined, glossy [...]

Last updated: 20 July 2017
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