Grass-trees in Canadian Regional Park

Two grass-trees grow in Canadian Regional Park. Austral Grass-tree Xanthorhoea austalis is wide spread in the park with Small Grass-tree Xanthorhoea minor in a few areas. In some areas these two species grow in close proximity.

Austral Grass-trees develop a trunk as they grow where as the Small Grass-tree stem is mainly below ground level.

Other differences

Feature Austral Grass-tree Small Grass-tree
Flower spike Flowering section longer than stem. Flowering section shorter than stem.
Leaf cross-section Diamond shape. Triangular shape.
Leaf colour Blue-green with whitish bloom. Green.
Form Trunk may branch. Several tufts of leaves at ground level.

Xanthorrhoea australis and minor IMG_4227aAustral Grass-tree on left with skirt of dead leaves covering trunk. Small Grass-tree on right with several tufts of leaves.

 

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