Nature conservation

Threatened species

Gyrostemon thesioides - 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: Gyrostemon thesioides
Conservation status in NSW: Endangered
Commonwealth status: Not listed
Gazetted date: 11 Sep 1998
Profile last updated: 30 Jul 2019

Description

A multi-stemmed shrub to 70 cm high, lower leaves often falling early; stems more or less angular when dried. Leaves usually narrow-linear, 5 - 20 mm long, sometimes narrow-lanceolate or narrow-oblanceolate and to 35 mm long. Flower stalks to 1 mm long. Stamens 9 - 12 in one whorl. Fruit 2 - 2.5 mm long, red-brown.

Distribution

Within NSW, has only ever been recorded at three sites, to the west of Sydney, near the Colo, Georges and Nepean Rivers. The most recent sighting was of a single male plant near the Colo River within Wollemi National Park. The species has not been recorded from the Nepean and Georges Rivers for 90 and 30 years respectively, despite searches. Also occurs in Western Australia, South Australia, Victoria and Tasmania.

Habitat and ecology

  • Grows on hillsides and riverbanks and may be restricted to fine sandy soils.
  • A fire-opportunist, with recruitment occurring from a soil stored seed bank following fire. Adult plants are killed by fire.
  • Plants reach maturity in less than a year and plants are presumably short-lived.

Regional distribution and habitat

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


Threats

Recovery strategies

Activities to assist this species

Information sources

IBRA Bioregion IBRA Subregion Known or predicted Geographic restrictions region
Other StateSA Known None
Sydney BasinBurragorang Known None
Sydney BasinCumberland Known None
Sydney BasinYengo Known None