Gastrolobium spinosum

Gastrolobium spinosum

Gastrolobium spinosum in its natural habitat

Gastrolobium spinosum is a species of flowering plant in the family Fabaceae, native to Western Australia. It is known for its distinctive spiny foliage and its role in the ecosystem as a source of food for certain native animals. This plant is part of the genus Gastrolobium, which is notable for containing species that produce toxic compounds.

Description

Gastrolobium spinosum is a shrub that typically grows to a height of 1 to 2 meters. The plant is characterized by its spiny branches and small, leathery leaves. The leaves are arranged alternately and are often a dark green color. The spines are a key feature that helps protect the plant from herbivores.

The flowers of Gastrolobium spinosum are small and yellow, blooming in clusters. These flowers are typical of the Fabaceae family, with a pea-like appearance. The flowering season is usually in the spring, from September to November.

Habitat and Distribution

Gastrolobium spinosum is endemic to the southwest region of Western Australia. It is commonly found in sandy soils, often in heathland or woodland environments. The plant is adapted to the Mediterranean climate of the region, with hot, dry summers and mild, wet winters.

Toxicity

Many species within the genus Gastrolobium are known for their toxicity, due to the presence of fluoroacetate compounds. These compounds can be lethal to livestock and other animals if ingested. However, some native animals have developed a tolerance to these toxins and can feed on the plants without harm.

Ecological Role

Close-up of the spiny foliage of Gastrolobium spinosum

Gastrolobium spinosum plays an important role in its native ecosystem. It provides habitat and food for various species of insects and birds. The spiny nature of the plant offers protection for small animals seeking refuge from predators.

Conservation

The conservation status of Gastrolobium spinosum is currently not considered to be at risk. However, like many native plants, it could be affected by habitat destruction and changes in land use. Conservation efforts focus on preserving its natural habitat and ensuring that populations remain stable.

Related Pages

• Fabaceae
• Fluoroacetate
• Southwest Australia
• Heathland