''Flindersia bourjotiana'', commonly known as Queensland silver ash, northern silver ash, or white ash, is a species of tree that is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to Queensland. It has

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 arranged in opposite pairs and with between four and eight narrow egg-shaped to elliptic leaflets, greenish white flowers arranged in

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

s, and fruit studded with short, rough points.

Description

''Flindersia bourjotiana'' is a tree that typically grows to a height of . Its leaves are pinnate, arranged in opposite pairs with between four and eight narrow egg-shaped to elliptical leaflets mostly long and wide, the side leaflets on petiolules long, the end leaflet on a petiolule long. The flowers are arranged in panicles long and have five

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s long and five white or greenish white

petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...

s long. Flowering occurs from April to November and the fruit is a capsule long, studded with short, rough points, and separating into five at maturity, and releasing seeds that are winged at both ends.

Taxonomy

''Flindersia bourjotiana'' was first formally described in 1875 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

in '' Fragmenta phytographiae Australiae''.

Distribution and habitat

Queensland silver ash grows in rainforest from sea level to an altitudes of from the McIvor River (near Mount Webb National Park) to

Rockingham Bay Rockingham Bay is a bay in Far North Queensland, Australia. The bay opens onto the Coral Sea, part of the South Pacific Ocean. Adjacent to the bay is the Girramay National Park, south of which is the town of Cardwell. Goold Island is a smal ...

in far north Queensland.

Conservation status

''Flindersia bourjotiana'' is classified as of "least concern" under the Queensland Government ''

Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...

''.

References

{{Taxonbar, from=Q15391002 bourjotiana Flora of Queensland Sapindales of Australia Trees of Australia Plants described in 1875 Taxa named by Ferdinand von Mueller