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Thunbergia

 
Thunbergia

 
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Thunbergia
 
 
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Thunbergia is a genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of flowering plant
Flowering plant

The flowering plants or angiosperms are the most widespread group of Embryophytes. The flowering plants and the gymnosperms are the only extant groups of Spermatophyte....
s in the Family
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
 Acanthaceae
Acanthaceae

The family Acanthaceae is a taxon of dicotyledonous flowering plants containing almost 250 genera and about 2500 species.Most are tropical herbs, shrubs, or twining vines; some are epiphytes....
, native to tropical regions of Africa
Africa

Africa is the world's second-largest and second most-populous continent, after Asia. At about 30.2 million km? including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area....
, Madagascar
Madagascar

Madagascar, or Republic of Madagascar , is an island nation in the Indian Ocean off the southeastern coast of Africa. The main island, also called Madagascar, is the List of islands by area, and is home to 5% of the world's plant and animal species, of which more than 80% are Endemism to Madagascar....
 and southern Asia
Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area and, with over 4 billion people, it contains more than 60% of the world's current human population....
. Its members are known by various names, including thunbergias; clockvine on its own usually refers to Thunbergia grandiflora, while Thunbergia alata is often known as Black-eyed Susan vine or just Black-eyed Susan (not to be confused with other flowers called Black-eyed Susan).






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Thunbergia is a genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of flowering plant
Flowering plant

The flowering plants or angiosperms are the most widespread group of Embryophytes. The flowering plants and the gymnosperms are the only extant groups of Spermatophyte....
s in the Family
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
 Acanthaceae
Acanthaceae

The family Acanthaceae is a taxon of dicotyledonous flowering plants containing almost 250 genera and about 2500 species.Most are tropical herbs, shrubs, or twining vines; some are epiphytes....
, native to tropical regions of Africa
Africa

Africa is the world's second-largest and second most-populous continent, after Asia. At about 30.2 million km? including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area....
, Madagascar
Madagascar

Madagascar, or Republic of Madagascar , is an island nation in the Indian Ocean off the southeastern coast of Africa. The main island, also called Madagascar, is the List of islands by area, and is home to 5% of the world's plant and animal species, of which more than 80% are Endemism to Madagascar....
 and southern Asia
Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area and, with over 4 billion people, it contains more than 60% of the world's current human population....
. Its members are known by various names, including thunbergias; clockvine on its own usually refers to Thunbergia grandiflora, while Thunbergia alata is often known as Black-eyed Susan vine or just Black-eyed Susan (not to be confused with other flowers called Black-eyed Susan). Orange clockvine is the name of Thunbergia gregorii.

Thunbergia was named for Carl Peter Thunberg
Carl Peter Thunberg

Carl Peter Thunberg was a Sweden Natural history. He has been called "the father of South African botany" and the "Japanese Linnaeus"....
.

Thunbergias are vigorous annual or perennial vine
Vine

A vine is any plant of genus Grape or, by extension, any similar climbing or trailing plant. The word, derived from Latin vinea, referred to the grape-bearing variety....
s and shrub
Shrub

A shrub or bush is a horticulture rather than strictly Botany category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 5-6 m tall....
s growing to 2-8 m tall.

Some are frequent garden escapes, becoming invasive species
Invasive species

Invasive species is a phrase with several definitions. The first definition expresses the phrase in terms of non-indigenous species that adversely affect the habitats they invade economically, environmentally or ecologically....
; they are regarded as environmental threats in Australia
Australia

Australia, officially the Commonwealth of Australia, is a country in the southern hemisphere comprising the Australia of the world's smallest continent, the major island of Tasmania, and numerous list of islands of Australia in the Indian Ocean and Pacific Oceans....
, for example.

External links

  • non-scholarly essay on the etymology and history of Thunbergia as well as Carl Peter Thunberg

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