Wollumbin Zieria - profile

Indicative distribution

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Key:

known

predicted

The areas shown in pink and/purple are the sub-regions where the species or community is known or predicted to occur. They may not occur thoughout the sub-region but may be restricted to certain areas. ( click here to see geographic restrictions). The information presented in this map is only indicative and may contain errors and omissions.

Scientific name: Zieria adenodonta

Conservation status in NSW: Endangered

Commonwealth status: Not listed

Profile last updated: 07 Aug 2024

Description

Wollumbin Zieria is a dense bushy shrub up to 3 m high by 2 m wide. Its branchlets are warty and felted with soft hairs. The paired leaves are divided into three narrow leaflets, up to 20 mm long, with a dark-green upper surface. The undersurface is pale, almost white, with a strongly raised midrib. When crushed, the leaves emit a strong, unpleasant smell. Small, white, four-petalled flowers are held in clusters at the base of the leaves. They develop into small, green, egg-shaped capsules containing one dark seed.

Distribution

Occurs only near the top of Mount Warning in the Tweed district in NSW. Also occurs in South-east Queensland.

Habitat and ecology

Dense shrubby vegetation on steep rocky slopes, with tea-tree, bottlebrushes and grass-trees.
Flowering occurs from May until September and fruit is present from November until January.
Flowers are insect pollinated.

Regional distribution and habitat

Click on a region below to view detailed distribution, habitat and vegetation information.

South Eastern Queensland

Threats

Inadvertent damage from walkers and climbers.
Illegal collection of plants or flowers.
Track and lookout maintenance or expansion.
Inappropriate fire regime including the exclusion of fire.
Risk of local extinction because populations are small.
Risk of local extinction because of a restricted distribution.

Recovery strategies

A targeted strategy for managing this species has been developed under the Saving Our Species program; click here for details. For more information on the Saving Our Species program click here

Activities to assist this species

Raise awareness of the species and the need to protect vegetation occuring in sensitive habitats such as that of the Wollumbin Zieria.
Observe or photograph wildflowers but do not pick or collect plants or flowers.
Stay on established walking tracks at Mount Warning to avoid trampling native plants.
Implement appropriate fire regime for the species.
Identify plants and protect them during track works.
Undertake research into the ecological requirements and fire ecology of the species.
Monitor population dynamics and threats of known populations.
Maintain viable ex-situ seedbank and/or living collection.

Information sources

Armstrong, J.A. (2002) Zieria (Rutaceae): A systematic and evolutionary study. Australian Systematic Botany 15, 277-463.
NSW National Parks and Wildlife Service (2002) Threatened Species of the Upper North Coast of NSW: Flora. (NSW NPWS, Coffs Harbour)