Rhopalostylis
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Rhopalostylis
''Rhopalostylis'' is a genus of two species of palms native to the South Pacific. Both are smooth-trunked, with regular ringed scars from fallen leaves. The leaves are 3–5 m in length, and the leaf bases encircle the trunk. Distribution ''Rhopalostylis baueri'' occurs on Norfolk Island and the Kermadec Islands northeast of New Zealand; the Kermadec Islands population, formerly separated as ''R. cheesemanii'', was included in '' R. baueri'' in 2005 after comparison revealed no significant differences. '' R. sapida'', known as the nikau palm, is the only palm native to mainland New Zealand, and is found in lowland forests in the North Island, in coastal areas of the South Island as far south as Banks Peninsula, and on the Chatham Islands at 44°S. ''R. sapida'' thus has the southernmost range of any palm genus. Classification Subfamily: Arecoideae; tribe: Areceae; subtribe: Rhopalostylidinae. ''Rhopalostylis'' is closely related to the Lord Howe Island genus ''Hedyscepe ' ...
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Rhopalostylis
''Rhopalostylis'' is a genus of two species of palms native to the South Pacific. Both are smooth-trunked, with regular ringed scars from fallen leaves. The leaves are 3–5 m in length, and the leaf bases encircle the trunk. Distribution ''Rhopalostylis baueri'' occurs on Norfolk Island and the Kermadec Islands northeast of New Zealand; the Kermadec Islands population, formerly separated as ''R. cheesemanii'', was included in '' R. baueri'' in 2005 after comparison revealed no significant differences. '' R. sapida'', known as the nikau palm, is the only palm native to mainland New Zealand, and is found in lowland forests in the North Island, in coastal areas of the South Island as far south as Banks Peninsula, and on the Chatham Islands at 44°S. ''R. sapida'' thus has the southernmost range of any palm genus. Classification Subfamily: Arecoideae; tribe: Areceae; subtribe: Rhopalostylidinae. ''Rhopalostylis'' is closely related to the Lord Howe Island genus ''Hedyscepe ' ...
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Rhopalostylis Baueri
''Rhopalostylis baueri'' is a species of palm native to Norfolk Island ( Australia) and to the Kermadec Islands (New Zealand). Norfolk Island is the type locality. The common names on Norfolk Island are 'Norfolk Island palm' or 'niau'. In New Zealand the name 'Kermadec nikau' is used to refer to the Kermadec Islands population.The palms native to Raoul Island in the Kermadecs, formerly described either as ''Rhopalostylis cheesemanii'' or ''R. baueri'' var. ''cheesemanii'', were relegated to synonymy with the Norfolk Island ''R. baueri'' in 2005 after comparison showed no significant distinguishing characteristics (de Lange et al., 2005). Distribution On Norfolk Island it now occupies a small range in the centre of the island near the national park, where the species is somewhat threatened by rats that eat the fruit and young seedlings. It is rare elsewhere on the island. In the Kermadec Islands part of its range it is not threatened, but it only occurs on Raoul Island. Following ...
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Rhopalostylis Sapida
''Rhopalostylis sapida'', commonly known as nīkau ( mi, nīkau), is a palm tree endemic to New Zealand, and the only palm native to mainland New Zealand. Etymology is a Māori word; in the closely related Eastern Polynesian languages of the tropical Pacific, it refers to the fronds or the midrib of the coconut palm. Distribution The nīkau palm is the only palm species endemic to mainland New Zealand. Its natural range is coastal and lowland forest on the North Island, and on the South Island as far south as Okarito (43°20′S) in the west and Banks Peninsula (43°5′S) in the east. It also occurs on Chatham Island and Pitt Island/Rangiauria to the south-east of New Zealand, where it is the world's southernmost palm at 44° 18'S latitude.Esler, A. E. 'The Nikau Palm', ''New Zealand's Nature Heritage'', Vol.2 Part 19 p.532, 1974 Nīkau grow up to 15 m tall, with a stout, green trunk which bears grey-green leaf scars. The trunk is topped by a smooth, bulging crownshaft ...
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Nikau Palme 01
''Rhopalostylis sapida'', commonly known as nīkau ( mi, nīkau), is a palm tree endemic to New Zealand, and the only palm native to mainland New Zealand. Etymology is a Māori word; in the closely related Eastern Polynesian languages of the tropical Pacific, it refers to the fronds or the midrib of the coconut palm. Distribution The nīkau palm is the only palm species endemic to mainland New Zealand. Its natural range is coastal and lowland forest on the North Island, and on the South Island as far south as Okarito (43°20′S) in the west and Banks Peninsula (43°5′S) in the east. It also occurs on Chatham Island and Pitt Island/Rangiauria to the south-east of New Zealand, where it is the world's southernmost palm at 44° 18'S latitude.Esler, A. E. 'The Nikau Palm', ''New Zealand's Nature Heritage'', Vol.2 Part 19 p.532, 1974 Nīkau grow up to 15 m tall, with a stout, green trunk which bears grey-green leaf scars. The trunk is topped by a smooth, bulging crownsha ...
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Nikau MRD
''Rhopalostylis sapida'', commonly known as nīkau ( mi, nīkau), is a palm tree endemic to New Zealand, and the only palm native to mainland New Zealand. Etymology is a Māori word; in the closely related Eastern Polynesian languages of the tropical Pacific, it refers to the fronds or the midrib of the coconut palm. Distribution The nīkau palm is the only palm species endemic to mainland New Zealand. Its natural range is coastal and lowland forest on the North Island, and on the South Island as far south as Okarito (43°20′S) in the west and Banks Peninsula (43°5′S) in the east. It also occurs on Chatham Island and Pitt Island/Rangiauria to the south-east of New Zealand, where it is the world's southernmost palm at 44° 18'S latitude.Esler, A. E. 'The Nikau Palm', ''New Zealand's Nature Heritage'', Vol.2 Part 19 p.532, 1974 Nīkau grow up to 15 m tall, with a stout, green trunk which bears grey-green leaf scars. The trunk is topped by a smooth, bulging crownsh ...
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Rhopalostylidinae
Rhopalostylidinae is a botanical subtribe consisting of two genera of palms from Australia and New Zealand, ''Hedyscepe'' and ''Rhopalostylis''. These two genera were formerly included in Archontophoenicinae, to which they are morphologically similar (Dowe 2010:233), until a recent revision (Dransfield, Uhl et al., 2005). Description The palms in this subtribe are medium-sized palms, with well-developed, distinct crownshafts and strictly pinnate Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in ... leaves with generally short and massive petioles. The inflorescences are branched to two or three orders, with the prophyll and penduncular bracts similar (Uhl and Dransfield 1987:367). Genera References * * * * {{Taxonbar, from=Q5836842 Plant subtribes ...
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Norfolk Island
Norfolk Island (, ; Norfuk: ''Norf'k Ailen'') is an external territory of Australia located in the Pacific Ocean between New Zealand and New Caledonia, directly east of Australia's Evans Head and about from Lord Howe Island. Together with the neighbouring Phillip Island and Nepean Island, the three islands collectively form the Territory of Norfolk Island. At the 2021 census, it had inhabitants living on a total area of about . Its capital is Kingston. The first known settlers in Norfolk Island were East Polynesians but they had already departed when Great Britain settled it as part of its 1788 settlement of Australia. The island served as a convict penal settlement from 6 March 1788 until 5 May 1855, except for an 11-year hiatus between 15 February 1814 and 6 June 1825, when it lay abandoned. On 8 June 1856, permanent civilian residence on the island began when descendants of the ''Bounty'' mutineers were relocated from Pitcairn Island. In 1914 the UK handed Norfo ...
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Kermadec Islands
The Kermadec Islands ( mi, Rangitāhua) are a subtropical island arc in the South Pacific Ocean northeast of New Zealand's North Island, and a similar distance southwest of Tonga. The islands are part of New Zealand. They are in total area and uninhabited, except for the permanently manned Raoul Island Station, the northernmost outpost of New Zealand. The islands are listed with the New Zealand outlying islands. The islands are an immediate part of New Zealand, but not part of any region or district, but instead an ''Area Outside Territorial Authority''. Toponymy The islands were named after the Breton captain Jean-Michel Huon de Kermadec, who visited the islands as part of the d'Entrecasteaux expedition in the 1790s. The topographic particle "Kermadec" is of Breton origin and is a lieu-dit in Pencran in Finistère where '' ker'' means village, residence and madec a proper name derived from '' mad'' (which means 'good') with the suffix '' -ec'', used to form adjectives in ...
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Hedyscepe
''Hedyscepe canterburyana'', the big mountain palm or umbrella palm, is the sole species in the genus ''Hedyscepe'' of the family Arecaceae. It is endemic to Lord Howe Island, Australia and is threatened by habitat loss. It is a solitary palm with a distinct crownshaft, and bears unisexual flowers of both sexes. With the ''Rhopalostylis'' palms of Norfolk Island and New Zealand it forms the botanic subtribe Rhopalostylidinae. If differs from ''Rhopalostylis'' in minor floral details including having more than six stamens, and in being protandrous rather than protogynous. The two genera were formerly included in Archontophoenicinae until a recent revision (Dransfield, Uhl et al., 2005). In some (but not all) molecular phylogenetic analyses, ''Hedyscepe'' was found to be nested in the New Caledonia endemic ''Basselinia''. Description ''Hedyscepe canterburyana'' is a slow-growing palm up to tall which grows on mountain forests, cliffs, and exposed ridges overlooking the sea, at abou ...
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Arecoideae
The Arecaceae is a family of perennial flowering plants in the monocot order Arecales. Their growth form can be climbers, shrubs, tree-like and stemless plants, all commonly known as palms. Those having a tree-like form are called palm trees. Currently, 181 genera with around 2,600 species are known, most of which are restricted to tropical and subtropical climates. Most palms are distinguished by their large, compound, evergreen leaves, known as fronds, arranged at the top of an unbranched stem. However, palms exhibit an enormous diversity in physical characteristics and inhabit nearly every type of habitat within their range, from rainforests to deserts. Palms are among the best known and most extensively cultivated plant families. They have been important to humans throughout much of history. Many common products and foods are derived from palms. In contemporary times, palms are also widely used in landscaping. In many historical cultures, because of their importance as ...
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Dalechampia
''Dalechampia'' is a genus of plant of the family Euphorbiaceae and of the monogeneric subtribe Dalechampiinae. It is widespread across lowland tropical areas (generally below 2,000 m ASL) primarily in the Americas with smaller numbers of species in Africa, Madagascar, and southern Asia. Additional new species are still being described and several are very rare and at risk of extinction. ''Dalechampia'' has unisexual flowers that are secondarily united into bisexual blossoms (pseudanthia), which act as the pollination units. The pollination and floral evolution of this genus have been studied more intensively than perhaps any other member of the euphorbia family. In the neotropics (Americas), most species are pollinated by resin-collecting female bees, including euglossine bees and ''Hypanthidium'' of the Megachilidae, which use resin in nest construction. About a dozen neotropical species (including ''D. spathulata'', shown below) are pollinated by fragrance-collecting male eugl ...
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Arecaceae Genera
The Arecaceae is a family of perennial flowering plants in the monocot order Arecales. Their growth form can be climbers, shrubs, tree-like and stemless plants, all commonly known as palms. Those having a tree-like form are called palm trees. Currently, 181 genera with around 2,600 species are known, most of which are restricted to tropical and subtropical climates. Most palms are distinguished by their large, compound, evergreen leaves, known as fronds, arranged at the top of an unbranched stem. However, palms exhibit an enormous diversity in physical characteristics and inhabit nearly every type of habitat within their range, from rainforests to deserts. Palms are among the best known and most extensively cultivated plant families. They have been important to humans throughout much of history. Many common products and foods are derived from palms. In contemporary times, palms are also widely used in landscaping. In many historical cultures, because of their importance as ...
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