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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: Chloantheae
Genus: Lachnostachys
Species: L. albicans – L. bracteosa – L. coolgardiensis – L. eriobotrya – L. ferruginea – L. verbascifolia

Lachnostachys Hook., Hooker's Icon. Pl. 5: t. 414 (1842)

Type species: Non designatus.


Walcottia F.Muell., Fragm. 1: 241 (1859)
Pycnolachne Turcz., Bull. Soc. Imp. Naturalistes Moscou 36(2): 215 (1863)


Hooker, J.D. 1842. Hooker's Icones Plantarum 5: , t. 414.
Govaerts, R. et al. 2014. Lachnostachys in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2014 June 21. Reference page. 2014. Lachnostachys. Missouri Botanical Garden. Published on the internet. Accessed: 2014 June 21.
International Plant Names Index. 2014. Lachnostachys. Published online. Accessed: June 21 2014.

Lachnostachys (common name Lambs tails)[5] is a genus of flowering plants in the mint family, Lamiaceae, first described in 1842 by William Jackson Hooker.[1][2] The type species is Lachnostachys ferruginea.[2] The genus name, Lachnostachys, comes from two Greek words/roots, lachnề ("wool") and -stachys ("relating to a spike"),[6] and thus describes the genus as having spiked woolly inflorescences. The entire genus is endemic to Western Australia[4]

A 2009 study of Chloantheae[3] indicates that Lachnostachys is closely related to the genera, Newcastelia and Physopsis, with none of the three being monophyletic.

Plants in this genus are shrubs or subshrub growing from 0.3 to 1.5 m high. They have no essential oils. The young stems are cylindrical and are covered in a dense and thick woolly covering of branched woolly intertwined hairs. The leaves are opposite and decussate (i.e., with successive opposite pairs at right angles to the preceding pair). The leaf blades are entire, or recurved along the margins, or sometimes flat. They are pinnately veined. They are woolly both abaxially and adaxially, although mature leaf blades are sometimes rugose (wrinkled) and glabrescent (becoming hairless). The leaves have both simple and complex hairs (which are stellate).[5]


Lachnostachys albicans Hook.
Lachnostachys bracteosa C.A.Gardner
Lachnostachys coolgardiensis S.Moore
Lachnostachys eriobotrya (F.Muell.) Druce
Lachnostachys ferruginea Hook.
Lachnostachys verbascifolia F.Muell


"Lachnostachys". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
Hooker, W.J. (1842). Hooker, W.J. (ed.). "Lachnostachys albicans". Icones Plantarum. 5: t. 414.
Conn, B. J.; Streiber, N.; Brown, E. A.; Henwood, M. J.; Olmstead, R. G. (2009). "Infrageneric phylogeny of Chloantheae (Lamiaceae) based on chloroplast ndhF and nuclear ITS sequence data". Australian Systematic Botany. 22 (4): 243. doi:10.1071/SB09011. ISSN 1030-1887. pdf
Kew World Checklist of Selected Plant Families
"Lachnostachys". FloraBase. Western Australian Government Department of Parks and Wildlife.

Backer, C.A. (1936) Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch-Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten pp 951,956 (Edition Nicoline van der Sijs). (Explanatory dictionary of the scientific names of .. plants grown in the Netherlands and the Dutch East Indies...)

External links
Rye, B.L. (1996). "A taxonomic review of the genera Lachnostachys, Newcastelia and Physopsis (Chloanthaceae) in Western Australia". Nuytsia. 11 (1): 79–107.

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