The elevational tree distribution in Hawaii is a classical example of missing treeline taxa. Exotics such as European spruce or warm temperate Australian Eucalypts form large and vigorous trees at elevations far above the elevation at which native tree taxa are able to grow.

Native trees

Exotic trees

1 - Sophora chrysophylla "treeline", Mauna Kea, 3000 m (a)

2 - Eucalyptus sp., Mauna Kea observatory visitor center at 3000 m (a)

3 - Santalum haleakalae "treeline", Haleakala National Park, 2750 m (b)

4 - Picea abies, 2800 m (b)

5 - Metrosideros polymorpha "treeline", Haleakala National Park, 2450 m (b)

29 August 2011
© ALPECOLe 2002-2007