''Geissois'' is a genus of trees and

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

s in the plant family

Cunoniaceae Cunoniaceae is a family of 27 Genus, genera and about 335 species of woody plants in the order Oxalidales, mostly found in the tropical and wet temperate regions of the Southern Hemisphere. The greatest diversity of genera are in Australia and Ta ...

. It includes about 19 species mostly found in

New Caledonia ) , anthem = "" , image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg , map_alt = Location of New Caledonia , map_caption = Location of New Caledonia , mapsize = 290px , subdivision_type = Sovereign st ...

, but also in

Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...

Vanuatu Vanuatu ( or ; ), officially the Republic of Vanuatu (french: link=no, République de Vanuatu; bi, Ripablik blong Vanuatu), is an island country located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is east of no ...

, and the

Solomon Islands Solomon Islands is an island country consisting of six major islands and over 900 smaller islands in Oceania, to the east of Papua New Guinea and north-west of Vanuatu. It has a land area of , and a population of approx. 700,000. Its capita ...

. 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 A hyperaccumulator is a plant capable of growing in soil or water with very high concentrations of metals, absorbing these metals through their roots, and concentrating extremely high levels of metals in their tissues. The metals are concentrated a ...

(most species occurring on

ultramafic rock Ultramafic rocks (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed ...

s) and one aluminum hyperaccumulator, '' Geissois polyphylla''. Two species from Australia formerly placed in this genus have now been transferred to the genus ''

Karrabina ''Karrabina'' is a genus of trees in the family Cunoniaceae. It 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 th ...

''.

Species

New Caledonia * ''

Geissois balansae ''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 en ...

'' * '' Geissois belema'' * '' Geissois bradfordii'' * '' Geissois hippocastanifolia'' * '' Geissois hirsuta'' * '' Geissois lanceolata'' * ''

Geissois magnifica ''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 en ...

'' * ''

Geissois montana ''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 en ...

'' * '' Geissois polyphylla'' *

Geissois pruinosa ''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 en ...

** var. ''intermedia'' ** var. ''pruinosa'' * ''

Geissois racemosa ''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 en ...

'' * ''

Geissois trifoliolata ''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 en ...

'' * ''

Geissois velutina ''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 en ...

'' Fiji * '' Geissois imthurnii'' * '' Geissois stipularis'' * '' Geissois superba'' * ''

Geissois ternata ''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 en ...

'' Vanuatu * ''

Geissois denhamii ''Geissois denhamii'' is a species of forest trees endemic to the island nation of Vanuatu in the Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to ...

'' Solomon Islands (Temotu Province) * ''

Geissois pentaphylla ''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 en ...

References

{{Taxonbar, from=Q5530239 Flora of New Caledonia Flora of Vanuatu Flora of Fiji Oxalidales genera Taxonomy articles created by Polbot