Swainsona procumbens

Swainsona procumbens ( common names - Broughton pea, swamp pea) is a plant in the pea family (Fabaceae) native to Australia and found in New South Wales, Victoria, Queensland and South Australia.[4]

Swainsona procumbens
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Swainsona
Species:
S. procumbens
Binomial name
Swainsona procumbens
Synonyms[3]

Cyclogyne procumbens F.Muell.
Swainsona violacea Hend.

Description

Swainsona procumbens is a spreading or ascending perennial with smooth or sparsely hair stems growing up to 50 cm high. The leaves are from 5 to 15 cm long, and pinnate with from 15 to 25 leaflets which have apices which are either notched or obtuse, and are 5–25 mm by 1–5 mm. The leaflet surfaces are without a covering or their lower surfaces may be densely covered in weak hairs. The leaves have stipules which are often toothed and from 2 to 7 mm long. The inflorescences are 2-12 flowered racemes, with flowers from 10-20 mm long. The corolla is mostly purple, and the apex of the keel coils into a complete circle. The style tip is inflexed. The pod is narrow and from 20 mm to 40 mm long and sometimes hairy.[4]

Habitat

It is found on heavy, frequently water logged soils.[4]

Taxonomy

It was first described as Cyclogyne procumbens by Ferdinand von Mueller in 1853, [1][5] but in 1859, Mueller reassigned it to the genus,Swainsona.[1][2]

References
  1. "Swainsona procumbens". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  2. Mueller, F.J.H. von (1859). "Leguminosae". Fragmenta Phytographiae Australiae. 1 (4): 76.
  3. "Swainsona procumbens (F.Muell.) F.Muell. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 3 July 2020.
  4. Thompson, J.; James, T.A. (1991). "PlantNET - FloraOnline: Swainsona procumbens". plantnet.rbgsyd.nsw.gov.au. Retrieved 3 July 2020.
  5. Mueller, F.J.H. von (1853). "Diagnoses et descriptiones plantarum novarum, quas in Nova Hollandia". Linnaea: Ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde. 25: 393.
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