Ammania
Encyclopedia
Ammannia is a genus
of about 25 to 30 species
of plants often referred to as redstems from wet areas in America
, Africa
, Asia
, Australia
and Europe
. Several species
are grown as decorative plants in aquariums.
The genus was named for Paul Amman
.
Selected species:
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of about 25 to 30 species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of plants often referred to as redstems from wet areas in America
Americas
The Americas, or America , are lands in the Western hemisphere, also known as the New World. In English, the plural form the Americas is often used to refer to the landmasses of North America and South America with their associated islands and regions, while the singular form America is primarily...
, Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
, Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
and Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
. Several species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
are grown as decorative plants in aquariums.
The genus was named for Paul Amman
Paul Amman
-Biography:Amman was born at Breslau in 1634. In 1662 he received the degree of doctor of physic from the university of Leipzig, and in 1664 was admitted a member of the society Naturae Curiosorum, under the name of Dryander...
.
Selected species:
- Ammannia auriculata - eared redstem
- Ammannia baccifera - monarch redstem
- Ammannia coccineaAmmannia coccineaAmmannia coccinea is a species of flowering plant in the loosestrife family known by several common names, including valley redstem, scarlet toothcup, and purple ammannia. It is native to most of the contiguous United States, with the exception of the Pacific Northwest and New England. It is...
- valley redstem, purple ammannia - Ammannia gracilisAmmania gracilisAmmannia gracilis is a plant in the family Lythraceae, also known by the common names large ammannia, red ammannia, pink ammannia, and delicate ammania, and is native to West Africa....
- Ammannia latifolia - pink redstem
- Ammannia multiflora
- Ammannia robustaAmmannia robustaAmmannia robusta is a species of flowering plant in the loosestrife family known by the common name grand redstem. It is native to most of western and central North America, where it grows in moist places, such as ditches and pond margins. It is an annual herb reaching about a meter in maximum...
- grand redstem, scarlet ammannia - Ammannia senegalensisAmmania sengalensisAmmania sengalensis, also known as copper leaf ammania, is a flowering plant native to western Senegal, often growing as a weed in rice paddies....
- red ammannia - Ammannia verticellata