Hakea grammatophylla
EN

Hakea grammatophylla

Declining

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Hakea_grammatophylla

Overview

Hakea grammatophylla is a woody shrub in the family Proteaceae, a group known for hardy, often nutrient-conserving foliage adapted to Australia's ancient, low-fertility soils. Like many hakeas, it likely produces small cream or white flower clusters that provide nectar for insects and birds, followed by hard, woody fruits that protect seeds from fire and release them afterward, a strategy known as serotiny. This regenerative mechanism links the species closely to periodic fire regimes, allowing it to persist in landscapes where fire is a recurring natural force, provided the interval between fires is sufficient for plants to mature and set seed.

The species occurs in Australia, restricted to specific habitat types including areas along permanent inland rivers and streams as well as rocky terrain, suggesting a preference for well-drained substrates and reliable moisture in an otherwise arid or semi-arid environment.

Its Endangered status reflects a decreasing population trend driven by ongoing habitat shifting and alteration, which reduces the extent and quality of suitable rocky and riparian habitat, and by disrupted fire regimes. Both fire and fire suppression are listed as active threats, indicating that either overly frequent burning or the absence of fire can disrupt the species' seed release and regeneration cycle, leaving populations unable to replace themselves.

Conservation attention for this species is tied to broader efforts to manage fire regimes in Australian shrubland and riparian ecosystems, alongside habitat protection measures addressing land-use change. Specific population figures are not available.

Given continued habitat pressure and the sensitivity of its fire-dependent life cycle, the species' outlook remains concerning, with population decline expected to continue unless fire management and habitat protection measures are effectively implemented and sustained.

Hakea grammatophylla faces ongoing pressure from changes to its natural habitat, which can reduce the space and conditions it needs to survive. It is also affected by fire and the way fires are managed or suppressed in its environment, which can disrupt its natural growth cycles. Both threats are currently classified as ongoing, suggesting a stable but continuing level of risk rather than a rapidly worsening one.

Threat summary

Habitat

Wetlands (inland) - Permanent rivers/streams· majorRocky areas· major

Conservation measures underway

Site/area protectionSpecies recovery

Frequently asked questions

Why is Hakea grammatophylla classified as Endangered?
Hakea grammatophylla is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Hakea grammatophylla faces ongoing pressure from changes to its natural habitat, which can reduce the space and conditions it needs to survive. It is also affected by fire and the way fires are managed or suppressed in its environment, which can disrupt its natural growth cycles. Both threats are currently classified as ongoing, suggesting a stable but continuing level of risk rather than a rapidly worsening one.
Where does Hakea grammatophylla live?
Hakea grammatophylla occurs in Australia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Hakea grammatophylla?
The main threats to Hakea grammatophylla are 11.1, and 7.1. The full IUCN-classified threat record for this species is detailed on the species page.

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