VU

Indigofera schultziana

Unknown

Overview

Indigofera schultziana is a shrub in the legume family Fabaceae, a group typically characterised by compound leaves, pea-like flowers, and pod fruits that fix nitrogen through root-associated bacteria, contributing to soil fertility in the ecosystems it occupies. Like other members of its genus, it likely produces small, pink-to-purple pea flowers and slender seed pods, though detailed accounts of its growth form and phenology remain limited in published literature.

The species is endemic to Australia, where it occurs across forest, savanna, and rocky habitats. This range of habitat types suggests some tolerance for varying substrate and moisture conditions, though its overall distribution is considered restricted enough to warrant a Vulnerable listing on the IUCN Red List. Population trends have not been quantified, and no reliable numerical estimates of population size are currently available.

The species faces a combination of pressures linked to land-use change and disturbance. Expansion of housing and urban development, along with livestock grazing, mining and quarrying activity, and road and rail infrastructure, contribute to habitat loss and fragmentation. Altered fire regimes, including both increased fire frequency and fire suppression, disrupt the natural disturbance patterns to which native vegetation communities are adapted.

Invasive plant and animal species add further competitive and ecological pressure, while logging and wood harvesting reduce available habitat in forested areas.

Specific targeted conservation programs for this species have not been widely documented, though it likely benefits indirectly from broader Australian native vegetation protections, reserve management, and weed and fire control programs in the regions where it occurs. Without dedicated monitoring or population assessments, its long-term trajectory remains uncertain, and continued habitat pressure suggests ongoing vulnerability absent targeted intervention.

Indigofera schultziana is losing habitat as land is cleared for housing developments, farms, grazing livestock, mining operations, and road construction, while logging further reduces the areas where it grows. It also faces pressure from wildfires (and the way fires are managed) and from competition with invasive plants or diseases that aren't native to its habitat. Since all of these threats are currently listed as ongoing, the overall pressure on this plant appears to be stable to intensifying rather than decreasing.

Threat summary

Habitat

Forest· majorSavanna· majorRocky areas· major

Conservation measures underway

Resource & habitat protectionEx-situ conservation

Frequently asked questions

Why is Indigofera schultziana classified as Vulnerable?
Indigofera schultziana is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Indigofera schultziana is losing habitat as land is cleared for housing developments, farms, grazing livestock, mining operations, and road construction, while logging further reduces the areas where it grows. It also faces pressure from wildfires (and the way fires are managed) and from competition with invasive plants or diseases that aren't native to its habitat. Since all of these threats are currently listed as ongoing, the overall pressure on this plant appears to be stable to intensifying rather than decreasing.
Where does Indigofera schultziana live?
Indigofera schultziana 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 Indigofera schultziana?
The main threats to Indigofera schultziana are 1.1, 2.3, 3.2, and 4.1. The full IUCN-classified threat record for this species is detailed on the species page.

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