Hawaii's Most Invasive Horticultural Plants |
(Photo credit: Haleakala National Park Resources Management Division) |
Other names: | Cyathea cooperi |
Description: | Tree fern up to 40' high, similar to hapu'u but distinguished by the brown fuzz at the base of the fronds being in the form of scales instead of hairs; also the leaves of mature plants tend to be in a tight rosette at the top of the plant instead of more spread out along the trunk. |
Risk areas: | Rainforest, moist forest, openings in wet and moist areas. |
WARNING: | Native hapu'u ferns can be planted instead of Australian treefern. Be aware, though, that the trunks of hapu'u often contain a variety of invasive alien plants, like Himalayan raspberry, growing on them and these could be a source of inadvertent introduction of noxious weeds onto your island. Examine all hapu'u used and remove clinging vegetation. |