''Flindersia schottiana'', commonly known as bumpy ash, cudgerie or silver ash, is a species of rainforest tree in the family Rutaceae and is

native Native may refer to: People * Jus soli, citizenship by right of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Native Americans (disambiguation) In arts and entert ...

to New Guinea and eastern Australia. 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 with mostly ten to sixteen leaflets,

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 of white flowers and woody fruit studded with rough points.

Description

''Flindersia schottiana'' is a tree that typically grows to a height of . Its leaves are pinnate, arranged in opposite pairs, long with mostly ten to sixteen narrow egg-shaped to narrow elliptical leaflets that are long and wide. The side leaflets are more or less

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

, the end leaflet on a

petiolule In botany, the petiole () is the stalk that attaches the leaf blade to the stem, and is able to twist the leaf to face the sun. This gives a characteristic foliage arrangement to the plant. Outgrowths appearing on each side of the petiole in som ...

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

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 August to December and the fruit is a woody capsule long, studded on the surface with rough points and separating at maturity into five valves to release winged seeds long.

Taxonomy

''Flindersia schottiana'' was first formally described in 1862 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'' from specimens collected near the

Hastings River Hastings River ( Birpai: ''Doongang''), an open and trained intermediate wave dominated barrier estuary, is located in the Northern Tablelands and Mid North Coast districts of New South Wales, Australia. Course and features Hastings River rise ...

in New South Wales. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''schottiana'') honours Mueller's friend Heinrich Wilhelm Schott.

Distribution and habitat

Bumpy ash grows in rainforest from sea level to an altitude of and occurs in New Guinea and from the Claudie River in the Kutini-Payamu National Park in far north Queensland to the Hastings River in New South Wales.

Conservation status

''Flindersia schottiana'' 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=Q5433092 schottiana Sapindales of Australia Flora of New South Wales Flora of Queensland Flora of New Guinea Taxa named by Ferdinand von Mueller Plants described in 1862