Common name: Black bean
Botanical name: Castanospermum australe
Other common names: Moreton Bay chestnut
General description: A native species that grows to 10m when planted as a garden ornamental or up to 40m in a natural rain forest setting.
Flowers: The flowers are large, orange and red, pea-flower shaped, clustered on older branches.
Leaves: The leaves consist of 7–17 large leaflets alternating on the rachis. Leaflets are 9–15cm long and 3–5cm wide, dark green, and asymmetric at the base.
Fruit/Berries: The fruit are large, heavy, rounded pods, usually 12–18cm long and 4–6cm wide; containing 3–5 large, dark brown seeds about 3cm in diameter.
Other: The sap is clear.
Symptoms: If eaten, the seeds can cause severe diarrhoea, vomiting, abdominal pain and dizziness. The sawdust can cause dermatitis, eczema and nasal irritation.
Toxicity category: 2, 3, 4
Warning: Seek urgent medical attention for all ingestions.