''Melicope peninsularis'' is a species of small tree in the family Rutaceae and 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 tropical north Queensland. It has

trifoliate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...

leaves and white flowers borne in short

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 in leaf axils.

Description

''Melicope peninsularis'' is a tree that typically grows to a height of and has a slender trunk. The leaves are arranged in opposite pairs and trifoliate on a petiole long. The leaflets are

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 ...

, elliptical, long and wide. The flowers are arranged in panicles about long in leaf axils and are

bisexual Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whi ...

and the

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 about long and fused at the base, the

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 white, long and there are four

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s. Flowering has been recorded in February and the fruit consists of four follicles long and fused at the base.

Taxonomy

''Melicope peninsularis'' was first formally described in 2001 by Thomas Gordon Hartley in the journal ''Allertonia'' from specimens collected in the

Lockerbie Scrub Lockerbie Scrub is a 230 km2 area of closed forest and woodland, surrounded by open tropical savanna woodland, at the northern tip of the Cape York Peninsula in Far North Queensland, Australia. Description The Scrub consists of lowland rai ...

in 1992.

Distribution and habitat

This melicope grows in rainforest and is only known from the tip of

Cape York Peninsula Cape York Peninsula is a large peninsula located in Far North Queensland, Australia. It is the largest unspoiled wilderness in northern Australia.Mittermeier, R.E. et al. (2002). Wilderness: Earth’s last wild places. Mexico City: Agrupación ...

and on

Darnley Island Darnley Island or ''Erub'' in the native Papuan language, Meriam Mir, is an island formed by volcanic action and situated in the eastern section of the Torres Strait, Queensland, Australia. It is one of the Torres Strait Islands and is locat ...

in the

Torres Strait The Torres Strait (), also known as Zenadh Kes, is a strait between Australia and the Melanesian island of New Guinea. It is wide at its narrowest extent. To the south is Cape York Peninsula, the northernmost extremity of the Australian mai ...

Conservation status

This species 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=Q18083695 peninsularis Sapindales of Australia Flora of Queensland Plants described in 2001 Taxa named by Thomas Gordon Hartley