''Lamarckia'' is a genus of plants in the
grass family
Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivated in ...
native to the Old World Dry Belt, on the
Mediterranean Region, the Arabian Peninsula, East Africa and
South Asia
South Asia is the southern Subregion#Asia, subregion of Asia that is defined in both geographical and Ethnicity, ethnic-Culture, cultural terms. South Asia, with a population of 2.04 billion, contains a quarter (25%) of the world's populatio ...
. It has a single species, ''Lamarckia aurea'', known colloquially as the golden dog's-tail
or goldentop grass
Description
It is an
annual plant
An annual plant is a plant that completes its life cycle, from germination to the production of seeds, within one growing season, and then dies. Globally, 6% of all plant species and 15% of herbaceous plants (excluding trees and shrubs) are ...
, typically 30-45 centimetres in height, with clusters of golden
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 in a
panicle
In botany, a panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a p ...
5–8 cm long and 2–2.5 cm broad.
Distribution
The species is native to the
Mediterranean Basin and neighboring regions from
Portugal
Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...
to the
Canary Islands
The Canary Islands (; ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost Autonomous communities of Spain, Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the cont ...
east to
Ethiopia
Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north, Djibouti to the northeast, Somalia to the east, Ken ...
and northern
India
India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
. It is also naturalized in parts of Australia and the Americas, considered an invasive weed in some areas.
Formerly included[Kew World Checklist of Selected Plant Families]
/ref>
see ''
Aegopogon
''Muhlenbergia'' is a genus of plants in the grass family.
The genus is named in honor of the German-American amateur botanist Gotthilf Heinrich Ernst Muhlenberg (1753-1815). Many of the species are known by the common name muhly.
The greatest ...
''
*''Lamarckia tenella -
Aegopogon tenellus
''Muhlenbergia'' is a genus of plants in the grass family.
The genus is named in honor of the German-American amateur botanist Gotthilf Heinrich Ernst Muhlenberg (1753-1815). Many of the species are known by the common name muhly.
The greatest ...
''
See also
Jepson Manual TreatmentGrass Manual TreatmentPhoto gallery
References
Pooideae
Monotypic Poaceae genera
Jean-Baptiste Lamarck
Taxa named by Conrad Moench
Grasses of Lebanon
{{Pooideae-stub