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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Faboideae
Tribus: Bossiaeeae
Genus: Platylobium
Species: P. alternifolium – P. formosum – P. infecundum – P. montanum – P. obtusangulum – P. parviflorum – P. reflexum – P. rotundum – P. triangulare

Source(s) of checklist:

Govaerts, R. et al. 2020. Platylobium in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Oct 28. Reference page.


Platylobium Sm., 1793

Type species: Platylobium formosum Sm.


Cheilococca Salisb. ex Sm.

Native distribution areas:
Primary references

Smith, J.E. 1793-1795. A specimen of the botany of New Holland. Published and illustrated by James Sowerby. Reference page. : 17


Govaerts, R. et al. 2020. Platylobium in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Oct 28. Reference page.
International Plant Names Index. 2020. Platylobium. Published online. Accessed: Oct 28 2020. 2020. Platylobium. Missouri Botanical Garden. Published on the internet. Accessed: 2020 Oct 28.
Catalogue of Life: 2021 Annual Checklist

Vernacular names

Platylobium is a genus of shrubs in the family Fabaceae. Native to south eastern Australia, they occur in a range of habitats of the coastal regions. The genus was first described by James Edward Smith,[1] and is closely allied to Bossiaea, another genus within the Mirbelioids.

The plants within this and other genera of the Mirbelioids are well known. They often have a common name that alludes to the oblongate pod described in the binary name—such as 'flat pea'—or by its exhibition of a yellow, orange, and pinky-red fluorescence—'eggs and bacon' peas. Papery dark brown scales support the banner of the pea's flower, this completes the semblance to a cooked breakfast. These flowers are displayed on rambling branches, sometimes as a short shrub, often extending prostrate. They range inland in coastal regions Southern and Eastern Australia, including Tasmania.

Platylobium is found to have a distinct wing on the pod, this distinguishes the genus from that of Bossiaea. Examination of the ovate leaves, distinction in the brown papery parts near the bract and diversion in the form of various parts will allow identification of the two species described below.


Platylobium comprises the following species:[2][3][4][5]

Platylobium alternifolium F.Muell.—Victorian flat-pea
Platylobium formosum Sm.—Handsome flat-pea
Platylobium obtusangulum Hook.—Common flat-pea
Platylobium triangulare R.Br.—Ivy flat-pea

Species names with uncertain taxonomic status

The status of the following species is unresolved:[4][5]

Platylobium aphyllum Steud.
Platylobium gracile Steud.
Platylobium infecundum I.Thomps.
Platylobium linifolium Czerw. & Warsc.
Platylobium macrocalyx Meisn.
Platylobium montanum I.Thomps.
Platylobium murrayanum Hook.
Platylobium obcordatum Vent.
Platylobium parviflorum Sm.
Platylobium reflexum I.Thomps.
Platylobium reticulatum Sieber ex Spreng.
Platylobium rotundifolium Colla
Platylobium rotundum I.Thomps.
Platylobium scolopendrium Andrews


Linn. Trans. Vol. II. 350.
"ILDIS LegumeWeb entry for Platylobium". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 15 January 2017.
USDA; ARS; National Genetic Resources Program. "GRIN species records of Platylobium". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 15 January 2017.
"The Plant List entry for Platylobium". The Plant List. Royal Botanic Gardens, Kew and the Missouri Botanical Garden. 2013. Retrieved 15 January 2017.

"Platylobium". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 2 April 2012.

Further reading

Ross, J. H. "Fabaceae tribe Bossiaeeae: Bossiaea". Mike Crisp's home page. ANU. Archived from the original on 14 September 2007. Retrieved 27 July 2007. "Allied closely to Platylobium . Flowers subtended by a series of coriaceous or papery brown bracts, mainly insect-pollinated, but in 5 spp. adapted for pollination by birds"
"Platylobium". Electronic Flora of South Australia genus Fact Sheet. State Herbarium of South Australia. 2001. Archived from the original on 28 September 2007. Retrieved 29 July 2007.

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