From Wikipedia, the free encyclopedia
Jump to: navigation, search
Ixerba brexioides.jpg
Ixerba brexioides
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Crossosomatales
Family: Strasburgeriaceae
Tiegh. in Soler.

See text

Strasburgeriaceae is a small family of flowering plants in the order Crossosomatales, endemic to New Zealand and New Caledonia. It contains two genera, Strasburgeria and Ixerba. Plants in the family have hermaphroditic flowers.

The APG III system of 2009 included in this family the genus Ixerba, formerly the sole genus in the family Ixerbaceae.

While both Ixerba brexioides and Strasburgeria robusta share a base chromosome number of x = 25, I. brexioides is diploid (2n = 2x = 50), while S. robusta is icosaploid (2n = 20x = 500). The massive polyploidy in S. robusta may have furthered the adaptations that let it survive on the ultramafic substrates found in the montane forest of New Caledonia.[1]