Swainsona plagiotropis F.Muell.

Red Swainson-pea

Fragm. 9: 153 (1875) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

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

Prostrate or ascending perennial herb, to 15 cm tall; stems glabrous or sparsely covered with appressed or loosely antrorse, basifixed or subbasifixed hairs. Leaves mostly 5–12 cm long; leaflets 13–25, narrow-obovate to narrow-lanceolate, leaflets 10–17 mm long, 1–4 mm wide, apices acute to obtuse, upper surface glabrous, lower surface with scattered hairs; stipules broad-ovate, 5–9 mm long, oblique, margins erose or sometimes minutely toothed. Racemes 2–5-flowered; flowers mostly 10–15 mm long; calyx more or less glabrous, teeth longer than tube; petals reddish-purple; standard 12–15 mm long, 10–20 mm wide, broad-ovate, almost truncate, shortly clawed; keel 9–10 mm long, strongly twisted near centre, apex projecting upward, acute; style tip straight, with a ridge of hairs below. Pod ovoid to obloid, 15–25 mm long, 8–10 mm wide, inflated, curved, pubescent, stipe to c. 0.5 mm long; seeds to c. 20, reniform, to c. 3.5 mm long, brown. Flowers Aug.–Nov.

NIS, VRiv. Also NSW. Rare species, apparently restricted to a few sites in north-central Victoria (mostly between Bendigo and the Murray River) where it grows in grassland on heavy red soils and is now almost confined to roadside remnants.

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: Daniel Ohlsen, 2017-05-30
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 plagiotropis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Swainsona plagiotropis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Riverina present native
Northern Inland Slopes present native

State distribution

Distribution map
New South Wales