Geissois

Location & distribution maps

Plant  information

Common name:         . . .

Conservation status: . . .

Etymology:   

Flowers:    

•  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                   

• Fruit:                            

• The fruit is a capsule

• The seeds are flat and winged

Leaves:         

• Leaves are opposite, palmate with 3-9 leaflets

• Margins are generally entire (serrated in Geissois hirsuta and juveniles) 

• Has intrapetiolar stipules

Stem & branches: 

Roots:         

Habit:        

Habitat:   

• The genus includes several nickel hyperaccumulator (most species occurring on ultramafic rocks) and one aluminum hyperaccumulator, Geissois polyphylla

Distribution:                     

•   Mostly found in New Caledonia, but also in Fiji, Vanuatu, and the Solomon Islands        

• Two species from Australia formerly placed in this genus have now been transferred to the genus Karrabina  

 Species:                 

• World:           19

• Australia:       0

Additional notes:     

• Geissois is a genus of trees and shrubs in the plant family Cunoniaceae

• Species

  • New Caledonia

    1. Geissois balansae 

    2. Geissois belema 

    3. Geissois bradfordii 

    4. Geissois hippocastanifolia 

    5. Geissois hirsuta 

    6. Geissois lanceolata 

    7. Geissois magnifica 

    8. Geissois montana 

    9. Geissois polyphylla 

    10. Geissois pruinosa 

        • var. intermedia 

        • var. pruinosa

    11. Geissois racemosa 

    12. Geissois trifoliolata 

    13. Geissois velutina 

  • Fiji

    1. Geissois imthurnii 

    2. Geissois stipularis 

    3. Geissois superba

    4. Geissois ternata

  • Vanuatu

    1. Geissois denhamii 

  • Solomon Islands (Temotu Province)

    1. Geissois pentaphylla 

Sources of information:

• https://en.wikipedia.org/wiki/Geissois (2023)