* Corymbia ficifolia ( Red Flowering Gum ).

Little Wattlebird feeding on a flowering Corymbia ficifolia

In nature Corymbia ficifolia prefers infertile, sandy soils but it is readily adaptable to most temperate locations, provided it is not exposed to severe frost or sustained tropical damp.

Corymbia ficifolia is a close relative of the West Australian Marri or Port Gregory gum ( Corymbia calophylla ).

Although in the wild it can grow much larger than Corymbia ficifolia ( up to 50 m tall ), under cultivation this size is rare.

Corymbia ficifolia:

Close up of Corymbia ficifolia flowers

The common name, " red flowering gum " is often used, but generally not to indicate Corymbia ficifolia in particular as opposed to it and other similar looking trees.

The name is also something of a misnomer ; all gums flower, many are red, Corymbia ficifolia is not really a " gum " but a bloodwood, and its flowers can be any shade between pale cream, through pink, to red, orange or deep crimson.

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Feeding on a flowering Corymbia ficifolia

image: Eucalyptus ficifolia dehiscent flower bud. jpg | Corymbia ficifolia

# REDIRECT Corymbia ficifolia

The two dominant tree species are silvertop ash ( Eucalyptus sieberi ) and red bloodwood ( Corymbia gummifera ).

The habitat around the lakes is open sclerophyll forest, the dominant trees being rough-barked apple ( Angophora floribunda ) nearby and sydney peppermint ( Eucalyptus piperita ) and red bloodwood ( Corymbia gummifera ) on elevated areas.

It grows in tall open sclerophyll forest, associated with such species as red bloodwood ( Corymbia gummifera ), pink bloodwood ( C. intermedia ), spotted gum ( C. maculata ), white stringybark ( E. globoidea ), sydney peppermint ( E. piperita ), blackbutt ( E. pilularis ), yellow box ( E. melliodora ), mountain grey gum ( E. cypellocarpa ), narrow-leaved ironbark ( E. crebra ), grey ironbark ( E. paniculata ), broad-leaved white mahogany ( E. umbra ), white mahogany ( E. acmenoides ), and apples ( Angophora species ).

It grows under such trees as blue leaved stringybark ( Eucalyptus agglomerata ), Sydney peppermint ( E. piperita ), stringybark ( E. oblonga ), smooth-barked apple ( Angophora costata ) and red bloodwood ( Corymbia gummifera ), and shrubs such as gymea lily ( Doryanthes excelsa ), and near creeks with such shrubs as Lomatia myricoides, watergum Tristania neriifolia, kanooka ( Tristaniopsis laurina ) and trees

: See also: List of Corymbia species

Eucalyptus is one of three similar genera that are commonly referred to as " eucalypts ," the others being Corymbia and Angophora.

In 1995 new evidence, largely genetic, indicated that some prominent Eucalyptus species were actually more closely related to Angophora than to the other eucalypts ; they were split off into the new genus Corymbia.

Although separate, the three groups are allied and it remains acceptable to refer to the members of all three genera, Angophora, Corymbia and Eucalyptus, as " eucalypts ".

Commonly encountered vegetation in this environments include but are not limited to ; Sydney redgums ( Angophora costata ), Sydney Peppermints ( Eucalyptus piperita ), Port Jackson Pine ( Callitris rhomboidea ), Red Bloodwoods ( Corymbia gummifera ), Pomaderris sp., Old Man Banksia ( Banksia serrata ), Hairpin Banksia ( Banksia spinulosus ), Rock Banksia ( Banksia oblongifolia ), Sydney Boronia ( Boronia ledifolia ), Native Sarsaparilla ( Smilax glyciphylla ), Violet Twining Pea ( Hardenbergia violacea ), Dusky Coral Pea ( Kennedia rubicunda ), the traditional narcotic Hop Bush ( Dodonaea triquetra ), Native Pea ( Dillwynia sieberi ), sometimes Dwarf Apple ( Angophora hispida ), parasitic Devils Twine ( Cassytha sp.

Eucalyptus, Corymbia and Angophora.

In 1995 new evidence, largely genetic, indicated that some prominent Eucalyptus species were actually more closely related to Angophora than to the other eucalypts ; they were split off into the new genus Corymbia.

Although separate, the three groups are allied and it remains acceptable to refer to the members of all three genera Angophora, Corymbia and Eucalyptus as " eucalypts "

Corymbia is a genus of about 113 species of tree that were classified as Eucalyptus species until the mid-1990s.

Molecular research in the 1990s, however, showed that they, along with the rest of the Corymbia section, are more closely related to Angophora than to Eucalyptus, and are probably best regarded as a separate genus.

Groups of naturalists and conservationists do not recognise the Corymbia genus and still categorise its species within Eucalyptus.

Botanists Ken Hill and Lawrie Johnson were the first to define the genus Corymbia in 1995, identifying the bloodwoods, ghost gums and spotted gums as a group distinct from Eucalyptus.

Genetic analysis of ETS and ITS sequences of DNA in 2006 by Carlos Parra-O and colleagues of 67 taxa ( 47 of which were within Corymbia ) yielded Corymbia and Angophora as each others ' closest relatives, with the genus Eucalyptus as an earlier offshoot.

Genera with capsular fruits such as Eucalyptus, Corymbia, Angophora, Leptospermum, Melaleuca, Metrosideros are absent from the Americas, apart from the monotypic genus Tepualia in Chile and Argentina.

Native flora in the bushland include Marri ( Corymbia calophylla ), Jarrah ( Eucalyptus marginata ), Flooded Gum ( E. rudis ), Tuart ( E. gomphocephela ) as well as at least four species of Banksia, many annual wildflowers ( incl.

As with other infertile areas of the Swan Coastal Plain, Hamersley would have supported open forests of Eucalyptus marginata ( Jarrah ) with Corymbia calophylla ( Marri ) or Eucalyptus gomphocephala ( Tuart ), and an understorey of Banksia attenuata ( Candlestick Banksia ), B. menziesii ( Firewood Banksia ), B. grandis ( Bull Banksia ), Allocasuarina fraseriana ( Western Sheoak ) and Agonis flexuosa ( Swan River Peppermint ).

The vegetation is characterised as an open woodland composed of canopy species: Forest Grey Gum ( Eucalyptus tereticornis ), Grey Box ( Eucalyptus moluccana ), Spotted Gum ( Corymbia maculata ) and Narrow-leafed ironbark ( Eucalyptus crebra ) The understory is primarily composed of Blackthorn ( Bursaria spinosa ), Acacia implexa, indigofera australis, Hardenbergia violacea and Dodonaea viscosa ssp cuneata.

It is closely related to Corymbia and Eucalyptus, and all three are often referred to as " eucalypts ".

Recent studies indicate that Angophora is more closely related to Eucalyptus than Corymbia, and names for all species have been published for sinking into that genus.

Despite the enormous ecological importance of the myrtle family in Australia ( e. g. Eucalyptus, Corymbia, Angophora, Melaleuca, Callistemon, Rhodamnia, Gossia ), only one species of Eugenia, E. reinwardtiana, occurs on that continent.

All three genera-Angophora, Corymbia and Eucalyptus-are closely related, often difficult to tell apart, and are still commonly and correctly referred to as " eucalypts ".

* Essential oil of the lemon eucalyptus ( Corymbia citriodora ) and its active compound p-menthane-3, 8-diol ( PMD )

* Lemon eucalyptus ( Corymbia citriodora ) essential oil and its active ingredient p-menthane-3, 8-diol ( PMD )