''Hemipilia parceflora'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
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 ...
in the family
Orchidaceae
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.
Along with the Asteraceae, they are one of the two largest families of flowering ...
, native to south-central China (north-eastern
Sichuan
Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...
,
Chongqing
Chongqing ( or ; ; Sichuanese dialects, Sichuanese pronunciation: , Standard Mandarin pronunciation: ), Postal Romanization, alternately romanized as Chungking (), is a Direct-administered municipalities of China, municipality in Southwes ...
).
The epithet has been mis-spelt "''parciflora''" by some authors.
[
]
Taxonomy
The species was first described in 1902 by Achille Eugène Finet
Achille Eugène Finet (1863, Argenteuil – 1913, París) was a French botanist best known for his study of orchids native to Japan and China.
Within the family Orchidaceae, he was the taxonomic authority of the genera '' Arethusantha'', ...
, as ''Peristylus tetralobus'' f. ''parceflorus''. It was later raised to a full species and transferred to the genus ''Amitostigma'' as ''Amitostigma parceflorum''.[ A ]molecular phylogenetic
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...
study in 2014 found that species of ''Amitostigma'', ''Neottianthe'' and ''Ponerorchis'' were mixed together in a single clade
A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
, making none of the three genera monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...
as then circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every polyg ...
. ''Amitostigma'' and ''Neottianthe'' were subsumed into ''Ponerorchis'', with this species then becoming ''Ponerorchis parceflora''.[ The genus ''Ponerorchis'' has since been synonymized with the genus ''Hemipilia'', resulting in the present name.
]
References
parceflora
Flora of South-Central China
Plants described in 1902
{{Orchidoideae-stub