Rhagodia latifolia
Encyclopedia
Rhagodia latifolia is a species of shrub endemic to midwest Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

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Description

It grows as a shrub from 40 centimetres to two metres high, leathery, elliptical leaves, and panicle
Panicle
A panicle is a compound raceme, a loose, much-branched indeterminate inflorescence with pedicellate flowers attached along the secondary branches; in other words, a branched cluster of flowers in which the branches are racemes....

s of green flowers.

Taxonomy

It was first published as a variety of Rhagodia crassifolia by George Bentham
George Bentham
George Bentham CMG FRS was an English botanist, characterized by Duane Isely as "the premier systematic botanist of the nineteenth century".- Formative years :...

 in 1870, based on a specimen collected from Dirk Hartog Island
Dirk Hartog Island
Dirk Hartog Island is an island off the Gascoyne coast of Western Australia, within the Shark Bay World Heritage Area. It is about 80 kilometres long and between 3 and 15 kilometres wide and is Western Australia's largest and most western island. It covers an area of 620 square kilometres and is...

 by Allan Cunningham
Allan Cunningham (botanist)
Allan Cunningham was an English botanist and explorer, primarily known for his travels in New South Wales to collect plants.- Early life :...

. In 1983 Paul G. Wilson promoted it to specific rank.

Two subspecies are currently recognised: the autonym
Autonym (botany)
In botanical nomenclature, autonyms are automatically created names, as regulated by the International Code of Botanical Nomenclature . Autonyms are cited without an author. Relevant provisions are in articles 6.8, 22.1-3 and 26.1-3....

 R. latifolia subsp. latifolia, and R. latifolia subsp. recta, which was published by Wilson in 1983.

Distribution and habitat

It occurs on coastal sand dunes and limestone cliff in midwest Western Australia, ranging from Geraldton
Geraldton, Western Australia
Geraldton is a city and port in Western Australia located north of Perth in the Mid West region. Geraldton has an estimated population at June 2010 of 36,958...

 north to the Murchison River
Murchison River (Western Australia)
The Murchison River is the second longest river in Western Australia. It flows for about from the southern edge of the Robinson Ranges to the Indian Ocean at Kalbarri. It has a mean annual flow of about 200 million cubic metres.-Course:...

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