Myrtaceae

From Academic Kids

Myrtle family
Missing image
Myrtus_communis.jpg



Myrtus communis foliage and flowers
Scientific classification
Kingdom:Plantae
Division:Magnoliophyta
Class:Magnoliopsida
Order:Myrtales
Family:Myrtaceae
Genera

About 130; see list

The Myrtaceae or Myrtle family are a family of dicotyledon plants, placed within the order Myrtales. Myrtle, clove, guava, feijoa, allspice, and eucalyptus belong here. The plants are mostly woody, with essential oils, and most flower parts in multiples of five. The most distinctive feature of the family is that phloem is found in the pith inside the xylem as well as outside of it, not just outside as in all other plants. The leaves are evergreen, alternate (rarely opposite), simple, and usually with an entire (not toothed) margin. The flowers have a base number of five petals, though in several genera, the petals are minute or absent, and in others, reduced to four in number. The stamens are usually very conspicuous, brightly coloured and very numerous.

The family Myrtaceae has approximately 3000 species in 130 genera. They have a wide distribution in warm-climate regions of the world, with the greatest concentration of species in Australasia and the Neotropics. Eucalyptus is the predominant tree genus in most of Australia, and the Mountain-ash (Eucalyptus regnans) is the tallest flowering plant in the world. Other important Australian genera are Callistemon (bottlebrushes) and Melaleuca (paperbarks). The genus Osbornia, native to Australasia, are mangroves.

The genera Heteropyxis and Psiloxylon, which some authorities include in Myrtaceae, are here placed as separate families, based on evidence of their divergence before the origin of the common ancestor of the Myrtaceae.

Genera

Acca
Accara
Acmena
Acmenosperma
Actinodium
Agonis
Allosyncarpia
Amomyrtella
Amomyrtus
Angasomyrtus
Angophora
Archirhodomyrtus
Arillastrum
Astartea
Asteromyrtus
Austromyrtus
Backhousia
Baeckea
Balaustion
Barongia
Basisperma
Beaufortia
Blepharocalyx
Callistemon
Calothamnus
Calycolpus
Calycorectes
Calyptranthes
Calyptrogenia
Calythropsis
Calytrix
Campomanesia
Carpolepis
Chamelaucium
Chamguava
Choricarpia
Cleistocalyx
Cloezia
Conothamnus
Corymbia
Corynanthera
Cupheanthus

Darwinia
Decaspermum
Eremaiea
Eucalyptopsis
Eucalyptus
Eugenia
Feijoa (Acca)
Gomidesia
Hexachlamys
Homalocalyx
Homalospermum
Homoranthus
Hottea
Hypocalymma
Kania
Kjellbergiodendron
Kunzea
Lamarchea
Legrandia
Leptospermum
Lindsayomyrtus
Lophomyrtus
Lophostemon
Luma
Lysicarpus
Mallostemon
Marlierea
Melaleuca
Meteoromyrtus
Metrosideros
Micromyrtus
Mitranthes
Mitrantia
Monimiastrum
Mosiera
Myrceugenia
Myrcia
Myrcianthes
Myrciaria
Myrrhinium
Myrtastrum
Myrtella

Myrteola
Myrtus
Neofabricia
Neomitranthes
Neomyrtus
Ochrosperma
Octamyrtus
Osbornia
Paramyrciaria
Pericalymma
Phymatocarpus
Pileanthus
Pilidiostigma
Piliocalyx
Pimenta
Pleurocalyptus
Plinia
Pseudanamomis
Psidium
Purpureostemon
Regelia
Rhodamnia
Rhodomyrtus
Rinzia
Ristantia
Scholtzia
Siphoneugena
Sphaerantia
Stereocaryum
Syncarpia
Syzigium
Tepualia
Thryptomene
Tristania
Tristianopsis
Ugni
Uromyrtus
Verticordia
Waterhousea
Welchiodendron
Whiteodendron
Xanthomyrtus
Xanthostemon

de:Myrtengewächse

es:Myrtaceae eo:Mirtacoj fr:Myrtaceae it:Myrtaceae nl:Mirtefamilie no:Myrtefamilien pt:Myrtaceae

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