Large-flowered Short-styled Grevillea  |  

Grevillea brachystylis subsp. grandis

Status: Critically Endangered on the EPBC Act list

The Large-flowered Short-styled Grevillea is an erect shrub growing to 2 m high, with leaves that are entire and red flowers that occur from August to December

Government evidence of impact of climate change:

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  • Australian Government, Conservation Advice, Grevillea brachystylis subsp. Busselton

    The main potential threats to the Large flowered Short styled Grevillea include inappropriate fire regimes.

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  • Australian Government, Listing Advices, Grevillea brachystylis subsp. grandis

    While the species appears to regenerate from seed after fire; frequent fire is likely to impact on the ability of the species to regenerate or to mature and replenish the soil seed bank (Stack English; 2002).

    As discussed under criterion 1; with the ongoing threats of road side maintenance; weed invasion and inappropriate fire regimes to all known populations; it is likely the quality of the species habitat and species numbers will undergo a decline.

    Due to the ongoing threats of road side maintenance; weed competition and inappropriate fire regimes impacting on the species; and its severely fragmented distribution; it is likely that the area and quality of its habitat will continue to decline; resulting in a further reduction in numbers of mature individuals.

    With the ongoing threats of road side maintenance; weed competition and inappropriate fire regimes; the numbers are likely to decline further.

    Available evidence indicates that the species has undergone a significant decline in population numbers during the past three years; and is likely to undergo a further decline as all six populations are under threat from road side maintenance; weed competition and inappropriate fire regimes.

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