Swainsona phacoides Benth.

Dwarf Swainson-pea

in T.Mitch., J. Exped. Trop. Australia 363 (1848) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988

Prostrate or ascending perennial or ephemeral herb, to 30 cm tall; stems often densely pubescent with asymmetric medifixed hairs; hairs 1–1.5 mm long, appressed or with both ends raised. Leaves mostly 5–10 cm long; leaflets 5–13, narrow- to broad-elliptic, leaflets 5–30 mm long, 1–5 mm wide, apices acute to obtuse or emarginate, both surfaces densely to sparsely pubescent; stipules to c. 5 mm long. Racemes 1–10-flowered; flowers mostly 10–15 mm long; calyx densely pubescent, teeth longer or shorter than tube; petals pale to dark reddish-purple; standard usually 7–14 mm long, 7–14 mm wide, broad-ovate to suborbicular, tapering to base; keel 8–10 mm long, longer than wings, apex acute to obtuse; style tip slender and straight. Pod obovoid to obloid, 10–30 mm long, 4–12 mm wide, inflated, with long, fine spreading tubercle-based hairs; stipe to c. 0.5 mm long; seeds to c. 40, cordate, c. 1.7 mm long, olive-green to brown. Flowers mainly Aug.–Oct.

Gold, LoM, MuF, MuM, RobP, VRiv. Also WA, NT, SA, Qld, NSW. Rare in Victoria, mostly confined to the north-west downstream of about Echuca and occurring mostly on low dunes or sandy rises associated with lakes or the Murray River, occasionally on plains with heavier soils, rarely in deep sand mallee. Collections from grassland or woodland from the Bendigo-Mitiamo are outliers geographically and ecologically.

Source: Jeanes, J.A. (1996). Fabaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-11-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Fabales
family Fabaceae
genus Swainsona
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Swainsona phacoides in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Swainsona phacoides in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Victorian Riverina present native
Robinvale Plains present native
Murray Fans present native
Goldfields present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales