''Holmbergia'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s belonging to the family

Amaranthaceae Amaranthaceae is a family of flowering plants commonly known as the amaranth family, in reference to its type genus ''Amaranthus''. It includes the former goosefoot family Chenopodiaceae and contains about 165 genera and 2,040 species, making it ...

. It only contains one species, ''Holmbergia tweediei'' (Moq.) Speg. Its native range is in southern South America. It is found in Bolivia, Paraguay, Uruguay and Argentina. The genus name of ''Holmbergia'' is in honour of

Eduardo Ladislao Holmberg Eduardo Ladislao Holmberg (27 July 1852, in Buenos Aires – 4 November 1937) was an Argentine natural historian and novelist, one of the leading figures in Argentine biology. Together with Florentino Ameghino he undertook the inventory of ...

(1775–1862), an Argentine natural historian and novelist, as well as a leading figure in Argentine biology. The Latin

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

of ''tweediei'' refers to botanist John (James) Tweedie (1900-1989).Moquin in A.P. De Candolle. Prodromus Systematis Naturalis Regni Vegetabilis. volume 13(2). page 63. 184

/ref> The genus of ''Holmbergia'' was first described and published in Apuntes Hist. Nat. Vol.1 on page 65 in 1909. and the species, ''Holmbergia tweediei'' was first described and published in Physis (Buenos Aires) Vol.2 on page 178 in 1916.

References

{{Taxonbar, from1=Q15930829, from2=Q9004489 Chenopodioideae Amaranthaceae genera Plants described in 1909 Flora of Bolivia Flora of Paraguay Flora of Uruguay Flora of Argentina