| Acaena minor | |
|---|---|
 | |
| At the Subantarctic Plant House, in Royal Hobart Botanical Gardens | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Acaena |
| Species: | A. minor |
| Binomial name | |
| Acaena minor | |
Acaena minor is a species of flowering plant whose range is confined to Australia's subantarctic Macquarie Island and to New Zealand's Campbell and Auckland Islands in the Southern Ocean.
Acaena minor is a prostrate herb. Its main stems grow to 700 mm long with erect lateral branches up to 50 mm high. The leaves are 15–80 mm long and 10–25 mm wide, glabrous above with long, silky hairs below. The leaflets occur in 6–7 pairs, the lowest very reduced and the others crowded. The inflorescence scape is 30–40 mm long with a head of up to 14 mm in diameter. The flower has two stamens, purple anthers and a white style. The fruiting scape is up to 80 mm long with a head up to 25 mm in diameter. [1]
On Macquarie Island the plant is widespread and generally occurs on drier sites than its congener A. magellanica. It flowers from September to January and fruits from January to April. [1]
Acaena is a genus of about 60 species of mainly evergreen, creeping herbaceous perennial plants and subshrubs in the family Rosaceae, native mainly to the Southern Hemisphere, notably New Zealand, Australia and South America, but with a few species extending into the Northern Hemisphere, north to Hawaii and California.
Craspedia is a genus of flowering plants in the family Asteraceae commonly known as billy buttons, billy balls, and woollyheads. They are native to Australia and New Zealand where they grow in a variety of habitats from sea level to the Alps. The genus is found in every state of Australia but not in the Northern Territory. In New Zealand, Craspedia is found from East Cape on the North Island south to Stewart Island. It also occurs on Campbell Island and the Chatham Islands.
Melaleuca armillaris, commonly known as bracelet honey myrtle, is a plant in the myrtle family, Myrtaceae, and is native to South Australia, Victoria and Tasmania in south-eastern Australia. It is a hardy, commonly grown species, often used as a fast-growing screen plant, but it also has the potential to become a weed. It has become naturalised in Western Australia and parts of Victoria. In its natural state, it grows on coastal cliffs and along estuaries.
Eucalyptus obliqua, commonly known as messmate stringybark or messmate, but also known as brown top, brown top stringbark, stringybark or Tasmanian oak, is a species of tree that is endemic to south-eastern Australia. It has rough, stringy or fibrous bark on the trunk and larger branches, smooth greyish bark on the thinnest branches, lance-shaped to curved adult leaves, flower buds in groups of seven to fifteen or more, white flowers and cup-shaped or barrel-shaped fruit.
Hymenosporum is a monotypic genus of trees in the family Pittosporaceae. The sole included species is Hymenosporum flavum, commonly known as native frangipani, found in the rainforests and wet sclerophyll forests of New Guinea, Queensland and New South Wales. Despite its common name, it is not closely related to the frangipani, but is related to the widespread genus Pittosporum.
Acaena novae-zelandiae, commonly known as red bidibid, bidgee widgee, buzzy and piri-piri bur, is a small herbaceous, prostrate perennial, native to New Zealand, Australia and New Guinea, of the family Rosaceae.
Melaleuca ericifolia, commonly known as swamp paperbark, is a plant in the myrtle family, Myrtaceae and the genus Melaleuca, native to south-eastern Australia. It is a rather variable species and some specimens resemble Melaleuca armillaris but its papery bark and smaller, more prolific flower heads distinguish it from that species. It often grows in swampy areas and the draining and clearing of these has reduced the numbers of the species, especially around Port Philip Bay near Melbourne. It is also similar to Melaleuca pustulata, a Tasmanian endemic, but that species only grows in dry heath.
Acaena magellanica, commonly called buzzy burr or greater burnet, is a species of flowering plant whose range includes the southern tip of South America and many subantarctic islands.
Poa foliosa is a species of tussock grass commonly known as muttonbird poa. It is native to the subantarctic islands of New Zealand and Australia.
Luzula crinita is a species of flowering plant in the rush family that is native to the subantarctic islands of New Zealand and Australia. The specific epithet comes from the Latin crinitus, with reference to the leaves.
Colobanthus muscoides is a low-growing, moss-like flowering cushion plant in the family Caryophyllaceae, found on islands in the south-western Pacific Ocean, especially in the subantarctic region. The specific epithet comes from the Latin muscus (moss) and -oides (resembling), with reference to its growth habit.
Ranunculus crassipes is a small flowering plant in the buttercup or crowfoot family Ranunculaceae that is native to the subantarctic region. The specific epithet comes from the Latin and refers to the plant's thicker and more succulent form compared to the closely related R. biternatus.
Poa cookii, sometimes called Cook's tussock-grass or bluegrass, is a species of tussock grass native to various subantarctic islands. The specific epithet honours British explorer James Cook who visited the Kerguelen Islands in 1776.
Callitriche antarctica, commonly known as the Antarctic water-starwort, is a small, prostrate plant with tiny yellow flowers in the family Plantaginaceae. It is found in wet places on many subantarctic islands and has a wide circumantarctic distribution, something reflected in its specific epithet.
Colobanthus kerguelensis is a low-growing, moss-like flowering cushion plant in the family Caryophyllaceae, found on subantarctic islands in the southern Indian Ocean. The specific epithet refers to the type locality – the Kerguelen Islands.
Galium antarcticum, commonly known as Antarctic bedstraw or subantarctic bedstraw, is a species of flowering plant in the coffee family. It has a largely subantarctic range.
Melaleuca biconvexa is a tree or shrub in the myrtle family, Myrtaceae and is endemic to coastal areas of New South Wales. The leaves have a distinctive, wing-like shape and the flowers are in white or cream-coloured heads at the ends of its branches. It is classified as a vulnerable species.
Myosotis capitata is a species of flowering plant in the family Boraginaceae, endemic to the Campbell and Auckland Islands of New Zealand. Joseph Dalton Hooker described the species in his 19th century work Flora Antarctica. Plants of this species of forget-me-not are perennial and erect, and have ebracteate inflorescences and blue corollas. It is one of two native species of Myosotis in the New Zealand subantarctic islands, the other being M. antarctica, which can also have blue corollas.
Isolepis aucklandica is a species of flowering plant in the Cyperaceae family. It is native to New Zealand, Australia, Argentina, Peru, Colombia, Ecuador, Macquarie Island, the French Southern Territories of Saint Paul and Amsterdam Islands, and New Guinea.
Plantago aucklandica is a species of flowering plant in the family Plantaginaceae that is endemic to the subantarctic Auckland Islands, New Zealand. Joseph Dalton Hooker described P. aucklandica in his Flora Antarctica in 1844. Plants of this plantain are large with large leaves, up to seven veins, wide petioles, colliculate seeds, and long spikes with dozens of flowers and one-seeded fruits. This species in considered to be At Risk - Naturally Uncommon, as it is an island endemic with a restricted range.
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