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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Lamiales

Familia: Lamiaceae
Subfamilia: Prostantheroideae
Tribus: Westringieae
Genus: Hemigenia
Overview of species

H. appressa – H. argentea – H. barbata – H. benthamii – H. biddulphiana – H. botryphylla – H. brachyphylla – H. bracteosa – H. buccinata – H. canescens – H. ciliata – H. coccinea – H. conferta – H. cuneifolia – H. curvifolia – H. dielsii – H. diplanthera – H. divaricata – H. drummondii – H. dulcis – H. exilis – H. glabrescens – H. humilis – H. incana – H. macphersonii – H. macrantha – H. microphylla – H. obovata – H. obtusa – H. pachyphylla – H. parviflora – H. pedunculata – H. pimelifolia – H. platyphylla – H. podalyrina – H. pritzelii – H. purpurea – H. ramosissima – H. rigida – H. royceana – H. saligna – H. scabra – H. sericea – H. tenelliflora – H. teretiuscula – H. tichbonii – H. tomentosa – H. tysonii – H. virescens – H. viscida – H. wandooana – H. westringioides

Hemigenia R.Br., Prodr. Fl. Nov. Holl.: 502 (1810)

Type species: Hemigenia purpurea R.Br., Prodr. Fl. Nov. Holl.: 502 (1810)


Atelandra Lindl., Sketch Veg. Swan R.: 40 (1839)
Colobandra Bartl. in J.G.C.Lehmann, Pl. Preiss. 1: 357 (1845)

Native distribution areas:

New South Wales, Northern Territory, Queensland, Western Australia.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Brown, R. 1810. Prodromus Florae Novae Hollandiae 502.


Govaerts, R. et al. 2019. Hemigenia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 July 26. Reference page.
Govaerts, R. et al. 2019. Hemigenia in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 July 26. Reference page.
International Plant Names Index. 2019. Hemigenia. Published online. Accessed: 26 July 2019.
The Plant List 2013. Hemigenia in The Plant List Version 1.1. Published on the internet. Accessed: 2019 July 26. 2019. Hemigenia. Missouri Botanical Garden. Published on the internet. Accessed: 2019 July 26.

Vernacular names

Hemigenia is a genus of flowering plants in the mint family, Lamiaceae and is endemic to Australia where most species occur in Western Australia, although some are also found in New South Wales and Queensland. Plants in this genus are shrubs or bushes with simple leaves and tube-shaped flowers with the petals forming two "lips" - the upper one with two lobes and the lower one with three.


Plants in the genus Hemigenia are shrubs or bushes with simple leaves which are arranged either in opposite pairs or in whorls. The flowers are arranged singly or in groups in upper leaf axils, often appearing to form a spike of flowers. There are five sepals which are joined at their base to form a tube. The five petals form a tube with two "lips" - an upper lip with two lobes and a lower one with three. There are four stamens.[3]

Plants in this genus can be distinguished from those in the similar and closely related Hemiandra by their less strongly odoriferous leaves and from Prostanthera, Microcorys and Westringia by technical differences in their stamens.


The genus Hemigenia was first formally described in 1810 by Robert Brown and the description was published in Prodromus Florae Novae Hollandiae. Brown nominated Hemigenia purpurea the type species.[1][4] The genus name is derived from the Ancient Greek words hemi[5]: 392  and genias meaning "a beard"[5]: 365  referring to a part of the anthers.[3]


Hemigenia species are mostly endemic to Western Australia, but H. cuneifolia occurs in New South Wales and Queensland, H. biddulphiana grows in Queensland and H. purpurea in New South Wales.[6][7][8]

Species list

The following is a list of Hemigenia species accepted by the Australian Plant Census as at November 2020:[9]

Hemigenia appressa G.R.Guerin
Hemigenia argentea Bartl.
Hemigenia barbata Bartl.
Hemigenia benthamii G.R.Guerin
Hemigenia biddulphiana F.Muell.
Hemigenia botryphylla G.R.Guerin
Hemigenia brachyphylla F.Muell.
Hemigenia bracteosa G.R.Guerin
Hemigenia buccinata G.R.Guerin
Hemigenia canescens (Bartl.) Benth.
Hemigenia ciliata G.R.Guerin
Hemigenia coccinea C.A.Gardner
Hemigenia conferta B.J.Conn
Hemigenia cuneifolia Benth.
Hemigenia curvifolia F.Muell.
Hemigenia dielsii (Hemsl.) C.A.Gardner
Hemigenia diplanthera F.Muell.
Hemigenia divaricata C.A.Gardner
Hemigenia drummondii Benth.
Hemigenia dulca G.R.Guerin
Hemigenia exilis S.Moore
Hemigenia humilis Benth.
Hemigenia incana (Lindl.) Benth.
Hemigenia loganiacea (F.Muell.) F.Muell.
Hemigenia macphersonii Luehm.
Hemigenia macrantha F.Muell.
Hemigenia microphylla Benth.
Hemigenia obovata F.Muell.
Hemigenia obtusa Benth. - blunt-leaved hemigenia
Hemigenia pachyphylla G.R.Guerin
Hemigenia parviflora Bartl.
Hemigenia pedunculata Diels
Hemigenia pimelifolia F.Muell.
Hemigenia platyphylla (Bartl.) Benth.
Hemigenia podalyrina F.Muell.
Hemigenia pritzelii S.Moore
Hemigenia purpurea R.Br.
Hemigenia ramosissima Benth.
Hemigenia rigida Benth.
Hemigenia royceana G.R.Guerin
Hemigenia saligna Diels
Hemigenia scabra Benth.
Hemigenia sericea Benth. - silky hemigenia
Hemigenia tenelliflora G.R.Guerin
Hemigenia teretiuscula F.Muell.
Hemigenia tichbonii K.R.Thiele & G.R.Guerin
Hemigenia tomentosa G.R.Guerin
Hemigenia tysonii F.Muell.
Hemigenia virescens G.R.Guerin
Hemigenia viscida S.Moore - sticky hemigenia
Hemigenia wandooana G.R.Guerin
Hemigenia westringioides Benth. - open hemigenia
Hemigenia yalgensis G.R.Guerin


"Hemigenia". APNI. Retrieved 26 January 2017.
"Hemigenia". APNI. Retrieved 26 January 2017.
"Hemigenia". FloraBase. Retrieved 26 January 2017.
Brown, Robert (1810). Prodromus Florae novae Hollandiae. London. p. 502. Retrieved 26 January 2017.
Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.
"Hemiandra". FloraBase. Western Australian Government Department of Parks and Wildlife.
"Hemigenia". Royal Botanic Gardens Sydney: plantnet. Retrieved 26 January 2017.
"Hemigenia biddulphiana". The State of Queensland (Department of Environment and Heritage Protection). Retrieved 26 January 2017.
"Hemigenia". Australian Plant Census. Retrieved 10 November 2020.

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