Nature conservation

Threatened species

Silky Swainson-pea - profile

Indicative distribution

   Loading map...
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 sericea
Conservation status in NSW: Vulnerable
Commonwealth status: Not listed
Gazetted date: 24 Dec 1999
Profile last updated: 11 Feb 2019


The Silky Swainson-pea is a prostrate or erect perennial, growing to 10 cm tall. The stems and leaves are densely hairy. The leaves are up to 7 cm long, composed of 5 - 13 narrow, pointed leaflets, each up to 15 mm long. The purple pea-shaped flowers are to 11 mm long, and are held in groups of up to 8 flowers, on a stem to 10 cm tall. The spring flowers are followed by hairy pods, up to 17 mm long.


Silky Swainson-pea has been recorded from the Northern Tablelands to the Southern Tablelands and further inland on the slopes and plains. There is one isolated record from the far north-west of NSW. Its stronghold is on the Monaro. Also found in South Australia, Victoria and Queensland.

Habitat and ecology

  • Found in Natural Temperate Grassland and Snow Gum Eucalyptus pauciflora Woodland on the Monaro.
  • Found in Box-Gum Woodland in the Southern Tablelands and South West Slopes.
  • Sometimes found in association with cypress-pines Callitris spp.
  • Habitat on plains unknown.
  • Regenerates from seed after fire.

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
Brigalow Belt SouthNarrandool Known None
Brigalow Belt SouthNorthern Basalts Known None
Brigalow Belt SouthPilliga Known None
Brigalow Belt SouthTalbragar Valley Known None
Channel CountryCore Ranges Known None
Cobar PeneplainLachlan Plains Predicted None
Cobar PeneplainNymagee Predicted None
Darling Riverine PlainsCastlereagh-Barwon Known North of Gwydir Hwy
Darling Riverine PlainsWarrambool-Moonie Known None
Murray Darling DepressionSouth Olary Plain Known None
NandewarInverell Basalts Known None
NandewarNandewar Northern Complex Known None
NandewarPeel Known None
New England TablelandsArmidale Plateau Known None
New England TablelandsBundarra Downs Known None
New England TablelandsEastern Nandewars Known None
New England TablelandsGlenn Innes-Guyra Basalts Known None
New England TablelandsMoredun Volcanics Predicted None
New England TablelandsNightcap Known None
New England TablelandsSevern River Volcanics Known None
NSW North CoastEllerston Predicted None
NSW South Western SlopesCapertee Valley Predicted None
NSW South Western SlopesInland Slopes Known None
NSW South Western SlopesLower Slopes Known None
Other StateACT Known None
RiverinaMurray Fans Predicted None
RiverinaMurrumbidgee Known None
South Eastern HighlandsBathurst Predicted None
South Eastern HighlandsBungonia Predicted None
South Eastern HighlandsCapertee Uplands Predicted None
South Eastern HighlandsHill End Predicted None
South Eastern HighlandsKybeyan-Gourock Known None
South Eastern HighlandsMonaro Known None
South Eastern HighlandsMurrumbateman Known None
South Eastern HighlandsOberon Predicted None
Sydney BasinBurragorang Predicted None