Gazania rigens
Encyclopedia
Gazania rigens is a species
of flowering plant
in the family
Asteraceae
, native to Southern Africa
.
The species occurs in South Africa
and Mozambique
. It is naturalised elsewhere and is widely cultivated as an ornamental garden plant.
In Australia
, where it is known as Coastal Gazania the species has become naturalised on coastal dunes and roadsides in the Central Coast
and Sydney
regions of New South Wales
as well as the coast of South East Queensland
. In South Australia
it is found in the southern Mount Lofty
area as well as on the Eyre peninsula
.
There are 3 currently recognised varieties:
Gazania rigens is grown for the brilliant colour of its flowers which appear in the late spring and early summer. Plants prefer a sunny position and are tolerant of dryness and poor soils.
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 flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...
in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Asteraceae
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
, native to Southern Africa
Southern Africa
Southern Africa is the southernmost region of the African continent, variably defined by geography or geopolitics. Within the region are numerous territories, including the Republic of South Africa ; nowadays, the simpler term South Africa is generally reserved for the country in English.-UN...
.
The species occurs in South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...
and Mozambique
Mozambique
Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...
. It is naturalised elsewhere and is widely cultivated as an ornamental garden plant.
In 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...
, where it is known as Coastal Gazania the species has become naturalised on coastal dunes and roadsides in the Central Coast
Central Coast, New South Wales
The Central Coast is an urban region in the Australian state of New South Wales, located on the coast north of Sydney and south of Lake Macquarie....
and Sydney
Sydney
Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...
regions of New South Wales
New South Wales
New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...
as well as the coast of South East Queensland
South East Queensland
South East Queensland is a region of the state of Queensland in Australia, which contains approximately two-thirds of the state population...
. In South Australia
South Australia
South Australia is a state of Australia in the southern central part of the country. It covers some of the most arid parts of the continent; with a total land area of , it is the fourth largest of Australia's six states and two territories.South Australia shares borders with all of the mainland...
it is found in the southern Mount Lofty
Mount Lofty
Mount Lofty is the highest point in the Mount Lofty Ranges. It is located about 15km east of the centre of the city of Adelaide in South Australia and gives unrivalled panoramic views of the city and the Adelaide plains and foothills. It was first climbed by a European when explorer Collet Barker...
area as well as on the Eyre peninsula
Eyre Peninsula
Eyre Peninsula is a triangular peninsula in South Australia. It is bounded on the east by Spencer Gulf, the west by the Great Australian Bight, and the north by the Gawler Ranges. It is named after explorer Edward John Eyre who explored some of it in 1839-1841. The coastline was first explored by...
.
There are 3 currently recognised varieties:
- G. rigens (L.) Gaertn. var. leucolaena (DC.) Roessler. In cultivation, this variety is referred to as Trailing Gazania.
- G. rigens (L.) Gaertn. var. rigens This variety is only found in cultivation, where it is known as Clumping Gazania. It is distinguished by its large 4 to 8 cm flower headsHead (botany)The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
with yellow or orange rays, each with a basal eye-spot. - G. rigens (L.) Gaertn. var. uniflora (L.f.) Roessler
Gazania rigens is grown for the brilliant colour of its flowers which appear in the late spring and early summer. Plants prefer a sunny position and are tolerant of dryness and poor soils.