Flora of Santa Cruz Islands

Acalypha swallowensis is a species of flowering plant in the family Euphorbiaceae, native to the Santa Cruz Islands in the Pacific Ocean.

Kava or kava kava (Piper methysticum: Latin 'pepper' and Latinized Greek 'intoxicating') is a plant in the pepper family, native to the Pacific Islands. The name kava is from Tongan and Marquesan, meaning 'bitter'. Kava can refer to either the plant or a psychoactive beverage made from its root. The beverage is a traditional ceremonial and recreational drink from Polynesia, Micronesia, and Melanesia. Nakamals and kava bars exist in many countries. Traditional kava is made by grinding fresh or dried kava root, mixing it with water or coconut milk, and straining it into a communal bowl. Outside

Licuala grandis, the ruffled fan palm, Vanuatu fan palm, swamp palm or Palas palm, is a species of palm tree in the family Arecaceae, native to Vanuatu, an island nation in the Pacific. It grows in the understory of primary and secondary tropical rain forests. It produces hermaphroditic inflorescences. It bears round green fruit that redden as they ripen, each containing a single seed.

Garcinia sessilis, commonly known as heilala in Tongan, is an evergreen tree native to Fiji and the Santa Cruz Islands and introduced to Tonga and Samoa. The heilala flower is the national flower of Tonga. The species was first described as Clusia sessilis by Georg Forster in 1786. In 1862 Berthold Carl Seemann placed the species in genus Garcinia as G. sessilis.

Metroxylon warburgii, commonly called the natangura palm, is a species of flowering plant in the family Arecaceae. The specific epithet is in honor of Otto Warburg. The common name is from the Bislama name natanggura.

Dendrobium gnomus is a species of flowering plant in the family Orchidaceae, native to the Solomon Islands and the Santa Cruz Islands. It was first described in 1933 by Oakes Ames.

Myristica castaneifolia is a species of flowering plant in the nutmeg family, Myristicaceae. It is a tree native to Fiji and the Santa Cruz Islands.

Agathis macrophylla known as Pacific kauri, is a coniferous tree native to the islands of the southwestern Pacific Ocean in tropical humid lowlands and lower montane regions, notably in Fiji, Vanuatu, and the Santa Cruz Islands. The Pacific kauri is one of the largest and fastest growing species in its genus, and is important in forestry.

Retrophyllum vitiense is a species of conifer in the family Podocarpaceae. It is a large evergreen rainforest emergent tree native to Fiji, Vanuatu, and the Santa Cruz Islands.

Metroxylon salomonense is a palm (family Arecaceae or Palmae) native to the Solomon Islands, Vanuatu and the Bismarck Archipelago. Common name bia. It grows to 15 to 20 m in height in just twenty years, with a trunk diameter of 60–80 cm. The pinnate fronds can be over 6 m long, and have leaflets 100–190 cm long by 14–19 cm wide. It is monocarpic, dying after flowering and fruiting. The inflorescence is a panicle up to 9 m in height and half as wide.

Geissois is a genus of trees and shrubs in the plant family Cunoniaceae. It includes about 19 species mostly found in New Caledonia, but also in Fiji, Vanuatu, and the Solomon Islands. Leaves are opposite, palmate with 3-9 leaflets, with entire margin (serrate in Geissois hirsuta and juveniles) and intrapetiolar stipules. The inflorescences are simple racemes (trident in Geissois hirsuta) and bottle-brush like. The flowers have four red sepals, lacking petals, with many long red stamens. The fruit is a capsule, the seeds flat and winged. The genus includes several nickel hyperaccumulator

Dendrobium macranthum is a species of orchid native to New Caledonia, the Santa Cruz Islands, Vanuatu, and Wallis and Futuna. It was described by French botanist Achille Richard in 1834.

Thaleropia is a genus of flowering plants in the family Myrtaceae first described as a genus in 1993. It is native to Queensland and Papuasia. It includes three known species formally classified in the genus Metrosideros: Thaleropia hypargyrea (Diels) Peter G.Wilson - New Guinea, Solomon Islands, Santa Cruz Islands Thaleropia iteophylla (Diels) Peter G.Wilson - New Guinea Thaleropia queenslandica (L.S.Sm.) Peter G. Wilson - Queensland

Syzygium effusum is a species of flowering plant in the myrtle family, Myrtaceae. It is a tree native to Fiji, New Guinea, the Santa Cruz Islands, and the Solomon Islands. In New Guinea Syzygium effusum grows in both lowland and montane forests, from sea level up to 2,800 meters elevation. the upper Ok Tedi watershed in the highlands of New Guinea Syzygium effusum is, with Syzygium versteegii, the most common canopy species in primary lower montane rain forest above 1000 meters elevation, accompanied by the trees Buchanania macrocarpa, Campnosperma brevipetiolatum, Caldcluvia nymannii,

Polyscias cissodendron, commonly known as the island pine, is a species of tree in the family Araliaceae. It is native to New Caledonia and Vanuatu in Melanesia, as well as to Australia’s subtropical Lord Howe Island in the Tasman Sea. The specific epithet is derived from the Greek kissos (“ivy”) and dendron (“tree”). On Lord Howe it occurs in sheltered lowland forest.

Nothobaccaurea is a genus of flowering plant belonging to the family Phyllanthaceae, first described as a genus in 2000. It is native to various islands in the Pacific. The genus is named for its false resemblance with Baccaurea. Like Baccaurea, it is dioecious, with male and female flowers on separate plants. Nothobaccaurea grows in primary or secondary rain forest. In Fiji it is known by a number of local names, innoka, kailoa, midra, sinumbuta, and vurevure. Nothobaccaurea is a shrub or tree that grows between 2–20 metres in height, it flowers and fruits throughout the year. Species

Spondias dulcis (syn. Spondias cytherea), known commonly as Polynesian plum or Tahiti apple, is a tropical fruit tree native to Melanesia, with edible fruit containing a fibrous pit. The tree was spread to neighboring regions as canoe plants in Island Southeast Asia and Polynesia in prehistoric times by seafaring Austronesians during the Austronesian expansion. It remains widely cultivated in Polynesia, where it is generally known under the names vī or wī, and variants thereof. It has also been introduced to other areas of the world in colonial times. In the English-speaking Caribbean it is

Falcataria falcata (syns. Albizia falcata, Falcataria moluccana and Paraserianthes falcataria), commonly known as the Moluccan albizia, is a species of fast-growing tree in the family Fabaceae. It is native to the Maluku Islands, New Guinea, the Bismarck Archipelago, and the Solomon Islands. It is cultivated for timber throughout South Asian and Southeast Asian countries. This tree is considered to be invasive in Hawaii, American Samoa and several other island nations in the Pacific and Indian Oceans. It reaches about 30 m (100 ft) tall in nature, and has a massive trunk and an open crown. It

Eurycentrum is a genus of flowering plants from the orchid family, Orchidaceae. It contains 7 known species, native to New Guinea and to certain islands of the Pacific. Eurycentrum amblyoceras Schltr. - New Guinea Eurycentrum atroviride J.J.Sm. - New Guinea Eurycentrum fragrans Schltr. - New Guinea Eurycentrum goodyeroides Ridl. - New Guinea Eurycentrum monticola Schltr. - New Guinea Eurycentrum obscurum (Blume) Schltr. in K.M.Schumann & C.A.G.Lauterbach - New Guinea Eurycentrum salomonense Schltr. in K.M.Schumann & C.A.G.Lauterbach - Solomons, Vanuatu, Santa Cruz Islands

Polyscias scutellaria, the shield aralia, or plum aralia, is a tropical shrub or small tree reaching 2–6 meters in height. A native of eastern Malesia and southwest Pacific islands, it is commonly grown in gardens. The leaves and root can be used as an antiseptic and deodorant.

Grammatophyllum scriptum is a species of orchid. The flowers are generally up to 4.5 cm wide, green with dark brown markings, held in racemes of up to 150 blooms. Grammatophyllum scriptum is native to south east Asia and is found in low-lying coastal areas (sea level to 100 metres). In the Philippines, this type of orchid is called "tawatawa". Due to their large size, plants are rarely found in cultivation outside botanical institutions.

Aglaia saltatorum is a species of plant in the family Meliaceae. It is found in Fiji, Niue, the Solomon Islands, Tonga, Vanuatu, and Wallis and Futuna Islands.

Syzygium branderhorstii, commonly known as the Lockerbie satinash, is a small tree in the family Myrtaceae found in New Guinea, the Bismarck Archipelago, Solomon Islands, Santa Cruz Islands, and northern Queensland, Australia. It is cauliflorous, producing large inflorescences from the trunk. The fruits are eaten by brush turkeys (Alectura lathami).

Calophyllum vitiense is a species of flowering plant in the family Calophyllaceae. It is a tree native to Fiji, Niue, the Santa Cruz Islands, Solomon Islands, and Tonga.

Syzygium buettnerianum, also known as the Cape York satinash or New Guinea satinash, is a species of tree in the myrtle family Myrtaceae. It is found throughout Papua New Guinea as well as in the Torres Strait Islands and Cape York Peninsula of North Queensland, Australia.

Polyscias spectabilis (syn. Gastonia spectabilis) is a canopy level, or lower emergent rainforest tree native to New Guinea, belonging to the family Araliaceae. Each branch blooms once with a terminal inflorescence, but then forms two widely spreading branches just beneath the inflorescence which together resemble the letter "U", giving the tree a unique appearance.

Falcataria is a genus of flowering plants in the family Fabaceae. It belongs to the monophyletic Mimosoid clade in the subfamily Caesalpinioideae. The genus has three species previously classified in the Falcataria section of the genus Paraserianthes by I.C. Neilsen. The distribution of these closely related species within the genus Falcataria links the wet tropics of north-east Australia to New Guinea, the Moluccas, Bismarck Archipelago, and the Solomon Islands east of Wallace's line similar to other plant taxa from the region.

Polyscias guilfoylei, the geranium aralia or wild coffee, is a species of evergreen shrub native to the paleotropics and neotropics. It is not closely related to the true coffee plants of the genus Coffea. It has erect branches and can grow to a height of up to 24 ft (7.3 m). The leaves are long and 1-pinnate with leaflets which are opposite. The leaf blades are variable, but usually ovate or elliptic and coarsely dentate or lacerate. The leaves are commonly variegated with margins of white or pale yellow, but can also be entirely dark green. The insignificant flowers form as green umbels,

Macaranga polyadenia is a small tree up to 10 m (33 ft) tall in the family Euphorbiaceae, found in New Guinea, the Bismarck Archipelago, the Solomon Islands, Vanuatu and the Australian state of Queensland. It usually inhabits lowland palm forest and seasonally flooded swamp forest, but may occur up to 500 m (1,600 ft) above sea level. It was first described in 1919 by botanists Ferdinand Albin Pax and Käthe Hoffmann.

Freycinetia marginata, commonly known as giant climbing pandan, is a climbing plant in the family Pandanaceae. It is native to New Guinea and Queensland, Australia.