''Macrothumia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

in the willow family

Salicaceae The Salicaceae are the willow family of flowering plants. The traditional family (Salicaceae ''sensu stricto'') includes the willows, poplars. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly expanded the circumsc ...

with a single

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

''Macrothumia kuhlmannii''. It is a tree native to the states of

Bahia Bahia () is one of the 26 Federative units of Brazil, states of Brazil, located in the Northeast Region, Brazil, Northeast Region of the country. It is the fourth-largest Brazilian state by population (after São Paulo (state), São Paulo, Mina ...

Espírito Santo Espírito Santo (; ) is a state in southeastern Brazil. Its capital is Vitória, and its largest city is Serra. With an extensive coastline, the state hosts some of the country's main ports, and its beaches are significant tourist attracti ...

, and

Minas Gerais Minas Gerais () is one of the 27 federative units of Brazil, being the fourth largest state by area and the second largest in number of inhabitants with a population of 20,539,989 according to the 2022 Brazilian census, 2022 census. Located in ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. Formerly classified in the genus ''

Banara ''Banara'' is a genus of flowering plants in the family Salicaceae (formerly in Flacourtiaceae). Species accepted by the Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Bo ...

'' in the family

Flacourtiaceae The Flacourtiaceae is a defunct family of flowering plants whose former members have been scattered to various families, mostly to the Achariaceae and Salicaceae. It was so vaguely defined that hardly anything seemed out of place there and it bec ...

phylogenetic In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical dat ...

analyses based on DNA data indicate that this species, along with its close relatives in ''

Ahernia ''Ahernia'' is a genus of a single species, ''Ahernia glandulosa'', a tree in the family Achariaceae, native to Hainan and Luzon island of the Philippines. Previously it was treated in the family Flacourtiaceae before being placed in Achariaceae. ...

'', ''

Hasseltia ''Hasseltia'' is a genus of flowering plants in the family Salicaceae. It contains four species of small to medium-sized trees native to the neotropics, ranging from Mexico south to Brazil and Bolivia.Alford, M.H. 2006. A new species of ''Hasselt ...

'', and '' Pleuranthodendron'' are better placed in a broadly circumscribed Salicaceae. ''Macrothumia'' differs from its close relatives in having a congested fascicle- or umbel-like

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

and a large (>3 cm diameter)

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

. The genus name is derived from the

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

word μακροθυμία, which means long-suffering and enduring patience.

References

Salicaceae Monotypic Malpighiales genera Salicaceae genera {{Salicaceae-stub