Flora of Christmas Island

Hoya aldrichii, commonly known as Christmas Island waxvine, is a species of flowering plant in the Apocynaceae or dogbane family. It is a vine that is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean.

Pandanus christmatensis is a dioecious tropical plant in the screwpine genus. It is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. The specific epithet, "christmatensis", comes from its native locality.

Phreatia listeri, commonly known as Christmas Island caterpillar orchid, is a plant in the orchid family and is an epiphyte with four to six flat, blunt leaves in a fan-like arrangement. A large number of tiny, greenish white flowers are arranged along a thin flowering stem. It is endemic to Christmas Island.

Pandanus elatus is a dioecious tropical plant in the screwpine genus. It is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. Its specific epithet comes from the Latin elatus (tall), in reference to its growth habit.

Brachypeza archytas, commonly known as sage orchid, is an epiphytic orchid that is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. It has many cord-like roots, four or five leaves arranged like a fan and a large number of small, crowded, short-lived, white flowers.

Arenga listeri, the Lister's palm, is a species of flowering plant in the family Arecaceae. It is named after naturalist Joseph Jackson Lister. It is endemic to Christmas Island and is threatened by habitat loss. The palm is featured on a 1978 postage stamp of Christmas Island together with Lister.

Ischaemum nativitatis, commonly known as the Christmas Island duck-beak, is a tropical grass in the family Poaceae. It is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. The specific epithet comes from the Latin nativitas ("birth") referring to the birth of Christ, or Christmas, after the name of the island.

Grewia insularis is a species of flowering plant in the Malvaceae, or mallow family, that is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. Its specific epithet is the Latin for insular, referring to its island location.

Abutilon listeri, commonly known as the lantern flower, is a tropical shrub in the Malvaceae or mallow family. It is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. Its specific epithet honours British zoologist and plant collector Joseph Jackson Lister, who visited the island on HMS Egeria in 1887.

Zeuxine exilis, commonly known as Ridley's jewel orchid or the slender jewel orchid, is a species of orchid that is endemic to Christmas Island where it grows in rainforest. It has three or four egg-shaped leaves and up to thirty small, dull reddish flowers crowded along a thin, hairy flowering stem. It was first recorded in 1904 but was not seen again until 2009.

Peperomia rossii is a species of plant in the family Piperaceae. It is endemic to Christmas Island, an Australian territory in the northeastern Indian Ocean. Its specific epithet honours the Clunies-Ross family which established the Flying Fish Cove settlement on Christmas Island in 1888.

Dicliptera maclearii is a species of plant in the family Acanthaceae which is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. Its specific epithet honours John Maclear, captain of the survey vessel HMS Flying Fish, which visited Christmas Island in 1886.

Colubrina pedunculata is a shrub in the family Rhamnaceae. It is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. Its specific epithet comes from the Latin pedunculatus, referring to the long and conspicuous peduncle of the inflorescence.

Asystasia alba is a species of tropical herb in the family Acanthaceae. It is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. Its specific epithet comes from the Latin alba (white), referring to the colour of its flowers.

Zehneria alba is a species of flowering plant in the cucumber and gourd family, Cucurbitaceae. It is endemic to Christmas Island, an Australian territory in the northeastern Indian Ocean. The specific epithet is from the Latin albus (white), referring to the colour of the flowers.

Asplenium listeri, commonly known as the Christmas Island spleenwort, is a species of fern in the family Aspleniaceae. It is endemic to Christmas Island, an Australian territory in the northeastern Indian Ocean. Its specific epithet honours British zoologist and plant collector Joseph Jackson Lister, who visited the island on HMS Egeria in 1887 and was the first to collect a specimen.

Dendrobium nativitatis, commonly known as the Christmas Island crimp orchid, is a species of epiphytic orchid that is endemic to Christmas Island, an Australian territory in the north-eastern Indian Ocean. It has long, straggly stems, flattened pseudobulbs, a single leathery leaf and a single pale yellow flower.

Taeniophyllum hasseltii, commonly known as the Christmas Island ribbonroot, is a species of leafless epiphytic or lithophytic orchid that forms small clumps. It has short stems and flattened silvery grey roots pressed against the substrate on which it is growing. The flowers are tube-shaped, pale yellow and open one at a time. This orchid is only known from Christmas Island, an Australian territory and the Indonesia island of Java.

Thrixspermum carinatifolium, commonly known as the Christmas Island hairseed, is an epiphytic orchid with flattened, straggly stems that form clumps with many branching aerial roots. It has flattened fleshy leaves arranged in two ranks along the stems and white or yellowish, widely opening flowers. This orchid occurs from Peninsular Malaysia to Christmas Island, an Australian territory.

Dendrocnide peltata, commonly known simply as the stinging tree or jelaton, is a large tree in the nettle family Urticaceae. With the other species of the genus Dendrocnide, it is known for the stinging hairs which cover the whole plant and cause severe pain when touched. The Latin specific epithet peltata means "shield shaped", referring to the shape of the leaves.

Cryptocarya nitens is a species of flowering plant in the family Lauraceae and is endemic to Southeast Asia. It is a tree with elliptic to lance-shaped or egg-shaped leaves, greenish-white flowers, and shining purplish-black drupes.

Bryobium retusum, commonly known as Christmas Island urchin orchid, is an epiphytic clump-forming orchid that has oval, fleshy green pseudobulbs, each with two leaves and between seven and twelve short-lived, self-pollinating, pale green, hairy flowers. This orchid is found between Java and New Caledonia.

Cycas rumphii, commonly known as queen sago or the queen sago palm, is a dioecious gymnosperm, a species of cycad in the genus Cycas native to Indonesia, New Guinea and Christmas Island. Although palm-like in appearance, it is not a palm.

Ligustrum glomeratum is a plant in the family Oleaceae. The specific epithet glomeratum means 'gathered closely', referring to the flowers.

Muellerargia is a genus of flowering plants belonging to the family Cucurbitaceae. Its native range is Madagascar, and southern and eastern Malesia to northern Australia. It is found in Christmas Island, Java, Lesser Sunda Islands, Madagascar, Maluku Islands, New Guinea, Queensland, Sulawesi and Western Australia. The genus name of Muellerargia is in honour of Johannes Müller Argoviensis (1828–1896), a Swiss botanist who was a specialist in lichens. It was first described and published in A.L.P.P.de Candolle & A.C.P.de Candolle, Monogr. Phan. Vol.3 on page 630 in 1881.

Thelasis capitata, commonly known as conical fly orchid, is a plant in the orchid family. It is a clump-forming epiphyte with flattened pseudobulbs, each with a single strap-shaped leaf. A large number of small yellowish green flowers are arranged in a cone shape on a thin but stiff flowering stem. This orchid is found from Thailand to Malesia, including on Christmas Island.

Ochrosia ackeringae is a species of flowering plant in the family Apocynaceae that is found in the Malesian region in coastal rainforest or strand vegetation. The specific epithet honours the collector of one of the syntypes.

Planchonella duclitan is a species of plant in the family Sapotaceae. This tree can reach up to a height of 40 meters, presenting glossy leaves and orange fruit. It is common on Christmas Island, dominating up to 20% of the upper leaf canopy, as a tree to 30 meters, in established forest or around 40% in regenerating habitat where it may attain the maximum height. The species has been described as Planchonella nitida (Blume) Dubard, later regarded as a synonym for this treatment. The tree is used as a nest site by Abbott's booby, a sea-bird species Papasula abbotti, and its fruit and flowers

Tristiropsis is a genus of flowering plants of the family Sapindaceae. Its native range is Malesia, Queensland and some islands of the western Pacific.

Pachygone ovata, the fish berry, is a climbing plant from northern Australia. The fruit has been used in folk medicine and for fish poison.