Nature conservation

Threatened species

Thyme Rice-Flower - profile

Indicative distribution

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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: Pimelea serpyllifolia subsp. serpyllifolia
Conservation status in NSW: Endangered
Commonwealth status: Not listed
Profile last updated: 18 Oct 2022


Hairless, grey-brown, densely-branched shrub, usually about 50 cm high. Leaves opposite on the stem with alternate pairs at right angles to each other, crowded, narrow-elliptical to spoon-shaped, 4-12 mm long and 2-4 mm wide, stiff and leathery. Flowers minute, tubular, greenish-yellow, male and female on separate plants, borne in terminal heads of 2-17 flowers. Fruit green, egg-shaped, somewhat succulent, enclosed in the persistent flower base, containing one black, finely-dotted seed.


Not common in NSW, found only in the far south-western plains in the Euston district, becoming more abundant in Victoria and SA.

Habitat and ecology

  • Grows in scrub and woodland on calcareous soils. Often found in sandy red soils supporting mallee scrub.
  • Associated species include Eucalyptus oleosa, E. leptophylla, E. dumosa, Melaleuca lanceolata, Leptospermum laevigatum, Leucopogon parviflorus, Olearia axillaris, Myoporum insulare, Rhagodia candolleana, Acacia and Hakea spp., Spinifex and other tall grasses.
  • Flowers most of the year, especially July to November.
  • Plants in a population west of Euston in NSW are noted as being frequent in an area burned about 5 years ago.
  • Recorded as scattered and occasional, to common and frequent in populations.

Regional distribution and habitat

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


Recovery strategies

Activities to assist this species

Information sources

IBRA Bioregion IBRA Subregion Known or predicted Geographic restrictions region
Murray Darling DepressionSouth Olary Plain Known Within 50 km of the Murray River
Ocean - Other StateSouthern Australian Coastal Waters Known None
Other StateSA Known None
Other StateVIC Known None
RiverinaRobinvale Plains Predicted None