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Agathis

 
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Agathis
 
 
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The genus Agathis, commonly known as kauri or dammar, is a relatively small genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of 21 species of evergreen
Evergreen

In botany, an evergreen plant is a plant having leaf all year round. This contrasts with deciduous plants, which completely lose their foliage for part of the year....
 tree
TREE

TREE was a Boston hardcore punk band formed in the summer of 1990. They were active in the Boston music scene until disbanding in 2002....
s in the very ancient Araucariaceae
Araucariaceae

The Araucariaceae are a very ancient family of conifers. They achieved maximum diversity in the Jurassic and Cretaceous periods, when they existed almost worldwide....
 family of conifers. While initially widespread during the Jurassic
Jurassic

The Jurassic is a geologic period that extends from about annum to  Ma, that is, from the end of the Triassic to the beginning of the Cretaceous....
 period they are now found only in small areas of the southern hemisphere
Southern Hemisphere

The Southern Hemisphere is the half of a planet that is south of the equator?the word sphere literally means 'half ball'. It is also that half of the celestial sphere south of the celestial equator....
. The trees have characteristically very large trunks and little or no branching for some way up. Young trees are normally conical in shape; only upon maturity does the crown become more rounded or irregularly shaped.

The bark
BARK

BARK was an early Electromechanics. BARK was built using standard phone relays, implementing a 32-bit binary machine and could perform addition in 150 ms and multiplication in 250 ms....
 is smooth and light grey to grey-brown, usually peeling into irregular flakes that become thicker on more mature trees.






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The genus Agathis, commonly known as kauri or dammar, is a relatively small genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 of 21 species of evergreen
Evergreen

In botany, an evergreen plant is a plant having leaf all year round. This contrasts with deciduous plants, which completely lose their foliage for part of the year....
 tree
TREE

TREE was a Boston hardcore punk band formed in the summer of 1990. They were active in the Boston music scene until disbanding in 2002....
s in the very ancient Araucariaceae
Araucariaceae

The Araucariaceae are a very ancient family of conifers. They achieved maximum diversity in the Jurassic and Cretaceous periods, when they existed almost worldwide....
 family of conifers. While initially widespread during the Jurassic
Jurassic

The Jurassic is a geologic period that extends from about annum to  Ma, that is, from the end of the Triassic to the beginning of the Cretaceous....
 period they are now found only in small areas of the southern hemisphere
Southern Hemisphere

The Southern Hemisphere is the half of a planet that is south of the equator?the word sphere literally means 'half ball'. It is also that half of the celestial sphere south of the celestial equator....
. The trees have characteristically very large trunks and little or no branching for some way up. Young trees are normally conical in shape; only upon maturity does the crown become more rounded or irregularly shaped.

Agathisrobusta01melbournebotanicgardens
The bark
BARK

BARK was an early Electromechanics. BARK was built using standard phone relays, implementing a 32-bit binary machine and could perform addition in 150 ms and multiplication in 250 ms....
 is smooth and light grey to grey-brown, usually peeling into irregular flakes that become thicker on more mature trees. The branch structure is often horizontal or, when larger, ascending. The lowest branches often leave circular branch scars when they detach from the lower trunk.

The juvenile leaves
Leaf

In botany, a leaf is an above-ground plant Organ specialized for photosynthesis. For this purpose, a leaf is typically flat and thin, to expose the cells containing chloroplast to light over a broad area, and to allow light to penetrate fully into the tissues....
 in all species are larger than the adult, more or less acute, varying among the species from ovate to lanceolate. Adult leaves are opposite, elliptical to linear
Linear

The word linear comes from the Latin word linearis, which means created by lines.In mathematics, a linear map or function f is a function which satisfies the following two properties......
, very leathery and quite thick. Young leaves are often a coppery-red, contrasting markedly with the usually green or glaucous-green foliage of the previous season.

The male
Malé

Mal? , population 104,403 , is the Capital , the largest city in terms of population, and the name of an island in the Maldives. It is located at the southern edge of North Male' Atoll Kaafu Atoll....
 pollen
Pollen

Pollen is a fine to coarse powder consisting of Gametophyte , which produce the male gametes of spermatophyta. A hard coat covering the pollen grain protects the sperm cells during the process of their movement between the stamens of the flower to the pistil of the next flower....
 cones
Conifer cone

A cone is an organ on plants in the division Pinophyta that contains the plant sexuality structures. The familiar woody cone is the female cone, which produces seeds....
 appear usually only on larger trees after seed
Seed

A seed is a small Plant embryogenesis plant enclosed in a covering called the seed coat, usually with some Food storage. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant....
 cones have appeared. The female
Female

Female is the sex of an organism, or a part of an organism, which produces mobile ovum . The ova are defined as the larger gametes in a heterogamous reproduction system, while the smaller, usually motile gamete, the spermatozoon, is produced by the male....
 seed cones usually develop on short lateral branchlets, maturing after two years. They are normally oval or globe
Globe

A globe is a three-dimensional scale Model of Earth or other spheroid celestial body such as a planet, star, or moon. It may also refer to a spherical representation of the celestial sphere, showing the apparent positions of the stars in the sky ...
 shaped.

Seeds of some species are attacked by the caterpillars of Agathiphaga
Agathiphaga

Agathiphaga is a genus of insects in the order Lepidoptera. This caddis fly-like Lineage of primitive "Kauri moths" was first reported by Lionel Jack Dumbleton in 1952, as a new genus of Micropterigidae....
, some of the most primitive of all living moths.

Uses

Various species of kauri give diverse resin
Resin

Resin is a hydrocarbon secretion of many plants, particularly Pinophyta. It is valued for its chemical constituents and uses, such as varnishes and adhesives, as an important source of raw materials for organic synthesis, or for incense and perfume....
s such as kauri copal, Manilla copal and Dammar gum
Dammar gum

Dammar natural gum is obtained from the Dipterocarpaceae family of trees in India and East Asia, principally those of the genus Shorea, Balanocarpus, or Hopea....
.

The timber
Timber

Timber may refer to:* Lumber, i.e. wood materials* Timber, Oregon, an unincorporated community in the U.S. state of Oregon* Timber , a 1984 arcade game by Bally Midway...
 is straight-grained and of fine quality. The wood is commonly used in the manufacture of mid-ranged guitar
Guitar

The guitar is a musical instrument with ancient roots that is used in a wide variety of musical styles. It typically has six Strings , but Tenor guitar, Seven-string guitar, Eight-string guitar, Ten-string guitar, Eleven-string guitar, Twelve-string guitar, Thirteen-string guitar and doubleneck guitar string guitars also exist....
s, due to its good resonating properties, yet relatively low price of production. It is also used for some Go
Go (board game)

Go is a strategic board game for two players. It is known as w?iq? in Chinese , or in Japanese, and baduk in Korean language ....
 boards (goban).

Species list

  • Agathis atropurpurea
    Agathis atropurpurea

    The Black Kauri or Blue Kauri is a species of conifer in the Araucariaceae family.It is found only in Queensland, Australia.It is threatened by habitat loss....
     - Black Kauri, Blue Kauri (Queensland
    Queensland

    Queensland is a States and territories of Australia of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory to the west, South Australia to the south-west and New South Wales to the south....
    , Australia
    Australia

    Australia, officially the Commonwealth of Australia, is a country in the southern hemisphere comprising the Australia of the world's smallest continent, the major island of Tasmania, and numerous list of islands of Australia in the Indian Ocean and Pacific Oceans....
    )
  • Agathis australis
    Agathis australis

    Agathis australis, commonly known as the kauri, is a Pinophyta tree found north of 38?S in the northern districts of New Zealand's North Island, New Zealand....
     - Kauri, New Zealand Kauri (North Island
    North Island

    The North Island is one of the two main islands of New Zealand, the other being the South Island. The island is 113,729 square km in area, making it the List of islands by area....
    , New Zealand
    New Zealand

    New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses , and numerous Islands of New Zealand, most notably Stewart Island/Rakiura and the Chatham Islands....
    )
  • Agathis borneensis - (western Malesia
    Malesia

    Malesia is a biogeography region straddling the boundary of the Indomalaya and Australasia ecozones. Malesia was first identified as a floristic province that included the Malay Peninsula, Indonesia, the Philippines and New Guinea, based on a shared tropical flora derived mostly from Asia but also with numerous elements of the Antarctic flo...
    , Borneo
    Borneo

    Borneo is the List of islands by area and is located at the centre of Maritime Southeast Asia. Administratively, this island is divided between Indonesia, Malaysia and Brunei....
    )
  • Agathis corbassonii
    Agathis corbassonii

    Agathis corbassonii is a species of Agathis, endemism to New Caledonia, where it occurs scattered throughout the north and centre of the island at altitudes of 300-700 m....
     - Red Kauri (New Caledonia
    New Caledonia

    New Caledonia , is a "sui generis collectivity" of France located in the subregion of Melanesia in the Oceania. It comprises a main island , the Loyalty Islands, and several smaller islands....
    )
  • Agathis dammara
    Agathis dammara

    Agathis dammara is a Pinophyta Lumber tree native to Tropical Asia.External links* at the Gymnosperm Database....
     (syn. A. celebica) - Bindang (eastern Malesia)
  • Agathis endertii
    Agathis endertii

    Agathis endertii is a species of conifer in the Araucariaceae family.It is found in Indonesia and Malaysia.It is threatened by habitat loss....
     - (Borneo)
  • Agathis flavescens
    Agathis flavescens

    Agathis flavescens is a species of conifer in the Araucariaceae family.It is found only in remote parts of Malaysia....
     - (Borneo)
  • Agathis kinabaluensis
    Agathis kinabaluensis

    Agathis kinabaluensis is a species of conifer in the Araucariaceae family.It is found only in Malaysia.It is threatened by habitat loss....
     - (Borneo)
  • Agathis labillardieri
    Agathis labillardieri

    Agathis labillardieri is a species of conifer in the Araucariaceae family.It is found in Indonesia and Papua New Guinea....
     - (New Guinea
    New Guinea

    New Guinea, located just north of Australia, is the List of islands by area, having become separated from the Australian mainland when the area now known as the Torres Strait flooded after the last glacial period....
    )
  • Agathis lanceolata
    Agathis lanceolata

    Agathis lanceolata is a species of conifer in the Araucariaceae family.It is found only in New Caledonia.It is threatened by habitat loss....
     - (New Caledonia)
  • Agathis lenticula
    Agathis lenticula

    Agathis lenticula is a species of conifer in the Araucariaceae family.It i...
     - (Borneo)
  • Agathis macrophylla
    Agathis macrophylla

    Agathis macrophylla known as the Pacific Kauri, is a Pinophyta tree native to the islands of the southwestern Pacific Ocean in tropical humid lowlands and lower montane regions, notably in Fiji, Vanuatu, the Santa Cruz Islands, and the Solomon Islands....
     (syn. A. vitiensis) - Pacific Kauri, Dakua (Fiji
    Fiji

    Fiji , officially the Republic of the Fiji Islands , is an island nation in the South Pacific Ocean east of Vanuatu, west of Tonga and south of Tuvalu....
    , Vanuatu
    Vanuatu

    Vanuatu , officially the Republic of Vanuatu , is an island nation located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is some east of northern Australia, north-east of New Caledonia, west of Fiji, and south of the Solomon Islands, near New Zealand....
    , Solomon Islands
    Solomon Islands

    For the group of islands rather than the nation, see Solomon Islands .The Solomon Islands is a country in Melanesia, east of Papua New Guinea, consisting of nearly one thousand islands....
    )
  • Agathis microstachya
    Agathis microstachya

    The Bull Kauri is a species of conifer in the Araucariaceae family. It is found only in Australia and it is threatened by habitat loss....
     - Bull Kauri (Queensland, Australia)
  • Agathis montana
    Agathis montana

    is a species of conifer in the Araucariaceae family.It is found only in New Caledonia....
     - (New Caledonia)
  • Agathis moorei
    Agathis moorei

    Agathis moorei is a species of Agathis, endemism to New Caledonia, where it occurs scattered throughout the island in subtropical rainforest at altitudes of up to 1,000 m....
     - White Kauri (New Caledonia)
  • Agathis orbicula
    Agathis orbicula

    Agathis orbicula is a Pinophyta tree native to Borneo.References...
     - (Borneo)
  • Agathis ovata
    Agathis ovata

    Agathis ovata is a species of conifer, genus Agathis in the Araucariaceae family.It is found only in New Caledonia.It is threatened by habitat loss....
     - (New Caledonia)
  • Agathis philippinensis
    Agathis philippinensis

    Agathis philippinensis is a species of Agathis native to the Philippines, Sulawesi and Halmahera, where it occurs in upland tropical rainforest at 450-2,200 m altitude, rarely as low as 250 m in northern Luzon....
     - (Philippines
    Philippines

    The Philippines, officially known as the Republic of the Philippines, is a country in Southeast Asia with Manila as its capital city. It comprises 7,107 islands in the western Pacific Ocean....
    , Sulawesi
    Sulawesi

    Sulawesi is one of the four larger Sunda Islands of Indonesia and is situated between Borneo and the Maluku Islands....
    )
  • Agathis robusta
    Agathis robusta

    Agathis robusta is a Pinophyta tree in the family Araucariaceae, native to eastern Queensland, Australia. It occurs in two localities, a southern population on Fraser Island and around Maryborough, Queensland, and a northern population on the Atherton Tableland west of Cairns, Queensland; the northern population was formerly distinguishe...
     - Queensland Kauri (Queensland, Australia; New Guinea)
  • Agathis silbae
    Agathis silbae

    Agathis silbae is a species of conifer in the Araucariaceae family.It is found only in Vanuatu.It is threatened by habitat loss....
     - (Vanuatu)
  • Agathis spathulata
    Agathis spathulata

    Agathis spathulata is a species of Agathis native to the highlands of eastern Papua New Guinea, occurring at altitudes of 900-1980 m. Although long known, it has only relatively recently been distinguished from Agathis robusta, being described first as a subspecies of it, Agathis robusta subsp....
     - New Guinea Kauri (New Guinea)


External links

  • in Te Ara - the Encyclopedia of New Zealand