''Adamantinia'' is a monotypic

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 ...

orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Eart ...

s (

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Orchidaceae), described in 2004 by

Cássio van den Berg Cássio is a Brazilian masculine given name, and Cassio is an Italian surname. Cássio or Cassio may refer to: People Given name * Cássio Alessandro de Souza (born 1986), Brazilian footballer * Cássio Alves de Barros (born 1970), Brazilian fo ...

and Cezar Neubert Gonçalves. The name is a reference to

Chapada Diamantina Chapada Diamantina (; Portuguese language, Portuguese for the "Diamond Plateau") is a region of Bahia state, in the Northeast Region, Brazil, Northeast of Brazil. This mountain range is known as “Serra do Espinhaço,” in Minas Gerais state, ...

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 ...

, where this species comes from. The single species, ''Adamantinia miltonioides'', is native to the Serra do Sincorá range (

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 ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

). It grows as an

epiphyte An epiphyte is a plant or plant-like organism that grows on the surface of another plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphyt ...

at sunny positions, at about 900m altitude. Plants bear more or less clustered unifoliate

pseudobulbs In botany, a pseudobulb is a storage organ found in many epiphytic and terrestrial sympodial orchids. It is derived from a thickening of the part of a stem between leaf nodes and may be composed of just one internode or several, termed ''heterob ...

(rarely bifoliate),

coriaceous This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary ...

dark-olive leaves, and possess long

inflorescences In botany, an inflorescence is a group or cluster of flowers arranged on a plant's 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 main axis ( pe ...

with successive flowering. Flowers are showy, pink, with similar petals and sepals and a showy dark pink lip, with very small side lobes.

Column A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member ...

is short, with a broad stigma. DNA data from trnL-F plastid sequences indicate relationships to '' Leptotes'' and ''

Isabelia ''Isabelia'' is an orchid genus formed by three tiny species and one natural hybrid, spread from the Northeast of Brazil to Argentina, which are closely related to the genus ''Constantia (plant), Constantia''. During more than a century ''Isabeli ...

''.

References

Monotypic Epidendroideae genera Laeliinae genera Epiphytic orchids Endemic orchids of Brazil Orchids of Bahia Laeliinae {{Laeliinae-stub