List of tree genera

The major tree genera are listed below by taxonomic family.

Flowering plants (Magnoliophyta; angiosperms)

For classification of flowering plants, see APG II system.

Eudicots (together with magnoliids they are called broadleaf or hardwood trees)

American Sweetgum (Liquidambar styraciflua, Altingiaceae).

About 210 eudicot families include trees.^[1]^[2]

Adoxaceae (Moschatel family)
- Sambucus, Elderberry
- Viburnum, Viburnum
Altingiaceae (Sweetgum family)
- Liquidambar, Sweetgum
Anacardiaceae (Cashew family)
- Anacardium, Cashew etc.
- Mangifera, Mango
- Pistacia, Pistachio etc.
- Rhus, Sumac
- Toxicodendron, Lacquer tree etc.
Apocynaceae (Dogbane family)
- Pachypodium
Aquifoliaceae (Holly family)
- Ilex, Holly
Araliaceae (Ivy family)
- Kalopanax septemlobus, Kalopanax
  Birch tree (foreground) and maple tree (background) in fall.
Betulaceae (Birch family)
- Alnus, Alder
- Betula, Birch
- Carpinus, Hornbeam
- Corylus, Hazel
Bignoniaceae (Trumpet Creeper family)
- Catalpa, Catalpa
Cactaceae (Cactus family)
- Carnegiea gigantea, Saguaro
Cannabaceae (Cannabis family)
- Celtis, Hackberry
Cornaceae (Dogwood family)
- Cornus, Dogwood
Dipterocarpaceae family
- Dipterocarpus, Garjan
- Shorea, Sal etc.

Cryptocarya glaucescens (Lauraceae) in Royal National Park, Australia.

Ebenaceae (Persimmon family)
- Diospyros, Persimmon
Ericaceae (Heath family)
- Arbutus, Arbutus
Eucommiaceae (Eucommia family)
- Eucommia ulmoides, Eucommia
Fabaceae (Pea family)
- Acacia, Acacia
- Caesalpinia, Brazilwood etc.
- Gleditsia, Honey locust etc.
- Laburnum, Laburnum
- Robinia, Black locust etc.
Fagaceae (Beech family )
- Castanea, Chestnut
- Fagus, Beech
- Lithocarpus, Tanoak etc.
- Quercus, Oak

European Beeches (Fagaceae) in the Sonian Forest, Belgium.

Fouquieriaceae (Boojum family)
- Fouquieria, Boojum etc.
Hamamelidaceae (Witch-hazel family)
- Parrotia persica, Persian Ironwood
Juglandaceae (Walnut family)
- Carya, Hickory
- Juglans, Walnut
- Pterocarya, Wingnut
Lauraceae (Laurel family)
- Laurus nobilis, Bay Laurel
- Cinnamomum verum, C. aromaticum, and Cinnamomum camphora, Cinnamon, Cassia and Camphor Laurel
- Persea americana, Avocado
- Sassafras albidum, Sassafras
Lecythidaceae (Paradise nut family)
- Bertholletia excelsa, Brazil Nut
Lythraceae (Loosestrife family)
- Lagerstroemia, Crape-myrtle
Malvaceae (Mallow family; including Tiliaceae, Sterculiaceae and Bombacaceae)
African baobab (Adansonia digitata, Malvaceae) in South Africa.
- Adansonia, Baobab
- Bombax, Silk-cotton tree
- Brachychiton, Bottletrees
- Ceiba, Kapok etc.
- Durio, Durian
- Ochroma pyramidale, Balsa
- Theobroma, Cacao etc.
- Tilia, Linden (Basswood, Lime)
Meliaceae (Mahogany family)
- Azadirachta, Neem etc.
- Melia, Bead tree etc.
- Swietenia, Mahogany
Moraceae (Mulberry family)
Eucalyptus bridgesiana (Myrtaceae) on Red Hill, Australian Capital Territory.
- Ficus, Fig
- Morus, Mulberry
Myrtaceae (Myrtle family)
- Eucalyptus, Eucalypt
- Myrtus, Myrtle
- Psidium, Guava
Nothofagaceae (Southern Beech family)
- Nothofagus, Southern beech
Nyssaceae (Tupelo family; sometimes included in Cornaceae)
- Davidia involucrata, Dove tree
- Nyssa, Tupelo
Oleaceae (Olive family)
Dove tree (Nyssaceae) in flower.
- Fraxinus, Ash
- Olea, Olive etc.
Paulowniaceae (Paulownia family)
- Paulownia, Foxglove Tree
Platanaceae (Plane family)
- Platanus, Plane
Rhizophoraceae (Mangrove family)
- Rhizophora, Red mangrove etc.
Rosaceae (Rose family)

Phellodendron japonicum (Rutaceae).

- Crataegus, Hawthorn
- Malus, Apple
- Prunus, Almond, Peach, Apricot, Plums, Cherries etc.
- Pyrus, Pear
- Sorbus, Rowans, Whitebeams etc.
Rubiaceae (Bedstraw family)
- Coffea, Coffee
Rutaceae (Rue family)
- Citrus, Citrus
- Phellodendron, Cork-tree
- Tetradium, Euodia
Salicaceae (Willow family)
- Populus, Poplars and Aspens
- Salix, Willow

Yellow maple (Sapindaceae) in fall.

Sapindaceae (including Aceraceae, Hippocastanaceae) (Soapberry family)
- Acer, Maple
- Aesculus, Buckeye, Horse-chestnut
- Koelreuteria, Golden rain tree
- Litchi sinensis, Lychee
- Ungnadia speciosa, Mexican Buckeye
Sapotaceae (Sapodilla family)
- Argania spinosa, Argan
- Palaquium, Gutta-percha
- Sideroxylon, Tambalacoque ("dodo tree") etc.

Common Teak (Tectona grandis, Verbenaceae) in Kolkata, India.

Simaroubaceae family
- Ailanthus, Tree of heaven
Theaceae (Camellia family)
- Gordonia, Gordonia
- Stewartia, Stewartia
Thymelaeaceae (Thymelaea family)
- Gonystylus, Ramin
Ulmaceae (Elm family)
- Ulmus, Elm
- Zelkova, Zelkova
Verbenaceae family
- Tectona, Teak

Monocotyledons (Liliopsida)

Coconut Palm, a monocotyledonous tree.

About 10 Monocotyledon families include trees.^[1]^[2]

Agavaceae (Agave family)
- Yucca, Joshua tree etc.
Arecaceae (Palmae) (Palm family)
- Areca, Areca
- Cocos nucifera, Coconut
- Phoenix, Date Palm etc.
- Trachycarpus, Chusan Palm etc.
Laxmanniaceae family
- Cordyline, Cabbage etc.
Poaceae (grass family)
- Bamboos Poaceae subfamily Bambusoideae, around 92 genera
Ruscaceae family
- Dracaena, Dragon tree
Note that banana 'trees' are not actually trees; they are not woody nor is the stalk perennial.

Magnoliids (together with eudicots they are called broadleaf or hardwood trees)

Magnolias bloom.

17 magnoliid families include trees.^[1]^[2]

Annonaceae (Custard apple family)
- Annona, Cherimoya, Custard apple, Soursop etc.
- Asimina, American Pawpaw
Lauraceae (Laurel family)
- Cinnamomum, Cinnamon etc.
- Laurus, Bay Laurel etc.
- Persea, Avocado etc.
Magnoliaceae (Magnolia family)
- Liriodendron, Tulip tree
- Magnolia, Magnolia
Myristicaceae (Nutmeg family)
- Myristica, Nutmeg

Conifers (Pinophyta; softwood trees)

In the foreground Arolla Pines, in the background Norway Spruce - European Larch forest. Swiss Alps.

7 families, all of them include trees.^[3]

Araucariaceae (Araucaria family)
- Agathis, Kauri
- Araucaria, Araucaria
- Wollemia nobilis, Wollemia
Cupressaceae (Cypress family)
- Chamaecyparis
- Cryptomeria japonica, Sugi
- Cupressus, Cypress
- Fitzroya cupressoides, Alerce or Patagonian cypress
- Juniperus, Juniper
- Metasequoia glyptostroboides, Dawn Redwood
- Sequoia sempervirens, Coast Redwood
- Sequoiadendron giganteum, Giant Sequoia
- Taxodium, Bald Cypress
- Thuja, Western Redcedar etc.
Pinaceae (Pine family)
- Abies, Fir
- Cedrus, Cedar
- Larix, Larch
- Picea, Spruce
- Pinus, Pine
- Pseudotsuga, Douglas-fir

Podocarpus totara (Podocarpaceae) in New Zealand.

Podocarpaceae (Yellowwood family)
- Afrocarpus, African Yellowwood etc.
- Dacrycarpus, Kahikatea etc.
- Dacrydium, Rimu etc.
- Podocarpus, Totara etc.
- Prumnopitys, Miro etc.
Sciadopityaceae family
- Sciadopitys verticillata, Kusamaki
Taxaceae (Yew family)
- Taxus, Yew

Ginkgos (Ginkgophyta)

Only one species.

Ginkgoaceae (Ginkgo family)
- Ginkgo biloba, Ginkgo

Cycads (Cycadophyta)

2 families include trees.^[3]

Cycadaceae (Cycad family)
- Cycas, Ngathu cycad etc.
Zamiaceae (Zamia family)
- Lepidozamia, Wunu cycad etc.

Ferns (Pteridophyta)

Cyatheaceae
- Cyathea
Dicksoniaceae
- Dicksonia

Fossil trees

Wattieza, the earliest known tree

References

1 2 3 "Angiosperm Phylogeny Website". Missouri Botanical Garden.
1 2 3 Heywood, V.H., Brummitt, R.K., Culham, A. & Seberg, O. 2007: Flowering Plant Families of the World. Royal Botanic Gardens, Kew.
1 2 "The Gymnosperm Database".

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