Achnophora | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Subfamily: | Asteroideae |
Tribe: | Astereae |
Subtribe: | Brachyscominae |
Genus: | Achnophora F.Muell. |
Species: | A. tatei |
Binomial name | |
Achnophora tatei | |
Achnophora is a genus of flowering plants in the family Asteraceae described as a genus in 1883. [1] [2]
The only known species is Achnophora tatei. This is a rare endemic found only on Kangaroo Island in South Australia. [3]
The rhizome of A. tatei is described as thick, hairless and vertical with bundles of short thick rootlets attached. [4] [5]
Achnophora tatei leaves are in a rosette form at the base of the plant, with a long narrow leaf shape (linear) and sheath at the base of the leaf. [5]
Achnophora tatei flowers take the form of a scape (single flowering stem arising from the rhizome). [5] The flower stems are red, thread-like, almost naked and about as long as the leaves. [6] Flowers are one-headed, have a rosette of bracts (small leaf like structures) surrounding the flower (involucre) which are close to hemispheric (i.e. half of a sphere). [5]
The bracts of the flower are generally arranged in three rows of unequal length, with similar grades of size, and range in shape with the bract being egg-shaped with broader end at base (ovate) to the bract being egg-shaped with the narrow end at base (obovate). [5] The bracts are 4 to 5 millimetres long and have dry and membranous margins. [6]
The receptacle or floral axis has conspicuous oblong (having a length greater than width) scales between the flowers. [6]
The ray-flowers are female in 1 row, with about 25 ligules which are narrow, blue and are an estimated 10 millimetres long. [6]
Disc-flowers are tubular, with the style-branches being slender (capillary). [6]
Anthers (pollen bearing structure which is part of the stamen) are blunt and rounded (obtuse) at the base. [6]
Achnophora tatei is commonly known as the Kangaroo Island daisy. [7]
The genus name Achnophora is derived from the Greek word 'achne' which means chaff and 'phoros' meaning bearing. [7] This refers to the clearly visible scales of the receptacle and pappus. [7] Tatei is named after Ralph Tate (1840-1901), a British born botanist and geologist, who was a professor of Natural Science at the University of Adelaide. [7]
Achnophora tatei is found along the south coast of Kangaroo Island, South Australia. [6] The species is found in wet, swampy places. [6]
Achnophora tatei has been classified as a vulnerable species by the South Australian Government due to a restricted distribution and the impacts of increasing salinity. [7]
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Mairia is a genus of perennial herbaceous plants assigned to the family Asteraceae. All species have leathery, entire or toothed leaves in rosettes, directly from the underground rootstock, and one or few flower heads sit at the top of the stems that carry few bracts. These have a whorl of white to mauve ray florets surrounding yellow disc florets in the centre. In general, flowering only occurs after the vegetation has burned down. The six species currently assigned to Mairia are endemic to the Western Cape and Eastern Cape provinces of South Africa. Some of the species are called fire daisy in English and vuuraster in Afrikaans.
Corymbium is a genus of flowering plants in the daisy family comprising nine species. It is the only genus in the subfamily Corymbioideae and the tribe Corymbieae. The species have leaves with parallel veins, strongly reminiscent of monocots, in a rosette and compounded inflorescences may be compact or loosely composed racemes, panicles or corymbs. Remarkable for species in the daisy family, each flower head contains just one, bisexual, mauve, pink or white disc floret within a sheath consisting of just two large involucral bracts. The species are all endemic to the Cape Floristic Region of South Africa, where they are known as plampers.
Arthrochilus, commonly called elbow orchids, is a genus of about fifteen species of flowering plants from the orchid family (Orchidaceae) and is found in Australia and New Guinea. The flowers are pollinated by male thynnid wasps which attempt to mate with the flower and are held in place by hooks while the pollinium is transferred between insect and flower.
Wilkiea is a genus of flowering plants in the family Monimiaceae, and is native to Australia and New Guinea. Plants in this genus are monoecious or sometimes dioecious trees and shrubs, the leaves with many fine oil dots, male and female flowers in cymes or panicles, and oval black drupes.
Atkinsonia is a hemi-parasitic shrub with oppositely set, entire leaves and yellowish, later rusty-red colored flowers, that is found in Eastern Australia. It is a monotypic genus, the only species being Atkinsonia ligustrina, and is assigned to the showy mistletoe family, Loranthaceae. It is sometimes called Louisa's mistletoe.
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Myopordon pulchellum is a species of flowering plants in the tribe Cardueae within the family Asteraceae.
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Teucrium betchei is a species of flowering plant in the family Lamiaceae, and is endemic to eastern Australia. It is a perennial herb or undershrub with rod-like stems, linear to very narrow lance-shaped leaves and white flowers.
Teucrium grandiusculum is a species of flowering plant in the family Lamiaceae and is endemic to central Australia. It is a perennial herb or shrub with toothed, egg-shaped leaves and white flowers.
Teucrium teucriiflorum is a species of flowering plant in the family Lamiaceae, and is endemic to arid and semi-arid areas of Australia. It is a semi-scandent shrub with many branches, linear to narrow lance-shaped or narrow egg-shaped leaves and creamy-white flowers.
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