Indicative distribution
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 citriodora
Gazetted date:
06 Dec 2002
Profile last updated:
30 Aug 2021
Description
Zieria species are shrubs or small trees closely related to the genus Boronia; the four-petalled flowers and aromatic foliage are very similar. An important difference is that the zierias have leaves comprising three leaflets. Lemon Zieria is a low, lemon-scented shrub, no more than 15 cm tall, and with small hairy leaves; the central leaflet is less than 5 mm long. The one to three, pink or white flowers are produced in the angles between the leaves and the stems (axils).
Distribution
The species is known from two sites in NSW - Numerella and Kybean Trig - east of Cooma. The species is also very rare in Victoria.
Habitat and ecology
- Lemon Zieria grows in low woodland of Eucalyptus mannifera - E. macrorhyncha - E. dives with a shrub understorey .
- Flowering occurs from late winter to summer.
- Plants resprout following fire.
Regional distribution and habitat
Click on a region below to view detailed distribution, habitat and vegetation information.
Threats
- Grazing of mature individuals and seedlings, particularly by wallabies. Worse in drought conditions.
- The species is susceptible to extinction via stochastic processes due to its small known population size and restricted distribution.
- Off-road vehicles have affected habitat for this species at one population.
- Risk of too frequent or too intense fires adversely impacting existing plants and reducing reproduction. Observations of a burnt site near Numeralla suggests that frequent fire may also lead to erosion problems, as the species occurs on a relatively erodable site.
- Two of the sites are on private land. The current owners are very supportive of the protection of this species on their land, but there is a risk that future owners of the property may not be sympathetic to the protection of the species.
- There is potential for rural-residential development to adversely impact on the populations near Numeralla.
- Feral goats have increased to high numbers in parts of the species' range and are causing degradation of habitat.
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
- Ensure that local government bodies consider this species in development proposals in suitable habitat.
- Fence populations if necessary to protect from cattle grazing and off-road vehicles.
- Monitor the populations for changes.
- Search appropriate habitat for more populations.
Information sources
- Harden, G.J. (ed.) (2002) Flora of New South Wales. Volume 2, Revised Edition. UNSW, Sydney.
- NSW Scientific Committee (2002) Zieria citriodora (a shrub) - Endangered species determination - final. DEC (NSW), Sydney.
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