Nature conservation

Threatened species

Yellow Swainson-pea - 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: Swainsona pyrophila
Conservation status in NSW: Vulnerable
Commonwealth status: Vulnerable
Profile last updated: 18 Oct 2022


Erect, soft-wooded perennial to 1 m high, with a sub-shrubby habit. Leaves mostly 5-15 cm long, composed of 15-19 leaflets, each 10-25 mm long and 4-12 mm wide. Flowers yellow, pea-like, about 10 mm long. Pod crescent-shaped to elliptic, much-inflated, tapering at the base, 20-30 mm long.


Occurs in the south-western plains regions of NSW and into Victoria and SA. The species is distributed in the south-eastern half of SA, along the Murray River valley into north-western Victoria, with isolated occurrences northward.

Habitat and ecology

  • Grows in mallee scrub on sandy or loamy soil, usually found only after fire.
  • Sites include cleared and burnt mallee scrub on red loam to sand, previously burnt Eucalyptus dumosa mallee, disturbed woodland in sheltered aspects, a bulldozed firebreak adjacent to wheat paddocks, roadsides, claypans and at the edge of fire ash.
  • Flowers mainly from September to December.
  • The species is usually found only after fire, which may be the stimulus for seed germination.
  • Recorded in small to moderately large populations, including 3, 20, 50, 250 and 300 plants, often scattered.

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
Darling Riverine PlainsMenindee Known None
Murray Darling DepressionSouth Olary Plain Known None
Other StateSA Known None