''Lomatogonium'' 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 ...
of 18 species in the family
Gentianaceae
Gentianaceae is a family of flowering plants of 105 genera and about 1600 species.
Etymology
The family takes its name from the genus ''Gentiana'', named after the Illyrian king Gentius.
Distribution
Distribution is cosmopolitan (species), cosm ...
,
found in cool
temperate
In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of the Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ran ...
to subarctic regions of
Asia
Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
, with two species (''L. carinthiacum'', ''L. rotatum'') also in
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
and one species (''L. rotatum'') also in
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
. By far the highest diversity is in
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
, with 16 species.
They are
annual
Annual may refer to:
*Annual publication, periodical publications appearing regularly once per year
**Yearbook
**Literary annual
*Annual plant
*Annual report
*Annual giving
*Annual, Morocco, a settlement in northeastern Morocco
*Annuals (band), a ...
or
perennial
In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...
plants, growing to 5–15 cm tall, with a basal rosette of 2–3 cm long
leaves
A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...
, and sometimes secondary whorls of smaller leaves on the flower stems. The
flower
Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...
s are 2 cm across, with the five white to pale blue petals joined at the base.
;Species
*''
Lomatogonium bellum''
*''
Lomatogonium brachyantherum''
*''
Lomatogonium carinthiacum''
*''
Lomatogonium chilaiensis''
*''
Lomatogonium chumbicum''
*''
Lomatogonium cuneifolium''
*''
Lomatogonium forrestii''
*''
Lomatogonium gamosepalum''
*''
Lomatogonium lijiangense''
*''
Lomatogonium longifolium''
*''
Lomatogonium macranthum''
*''
Lomatogonium micranthum''
*''
Lomatogonium oreocharis''
*''
Lomatogonium perenne''
*''
Lomatogonium rotatum''
*''
Lomatogonium sichuanense''
*''
Lomatogonium sikkimense''
*''
Lomatogonium stapfii''
*''
Lomatogonium zhongdianense''
References
Gentianaceae
Gentianaceae genera
Flora of Northern America
Taxa named by Alexander Braun
{{Gentianales-stub