Alexandra palms invaded the riparian zone at the end of McConachie Court

Alexandra palm

You see them in many places around Brisbane, including private gardens, but the tall Alexandra palm (Archontophoenix alexandrae) can grow up to 30m in height, with a crown containing around 10-12 long leaves that themselves can measure up to 4.5m. Unfortunately, while they are native to northern parts of Queensland, the Alexander palm has become…

This weed species, wild tobacco, has sprung up all over the Dawn Road Reserve.

Wild tobacco

Wild tobacco (Solanum mauritianum) shrubs, which can grow up to 4m in height, can be seen in many places throughout the Dawn Road Reserve. Originally from Argentina, this weed forms dense stands and suppresses the growth of other species. According to the Queensland Department of Agriculture and Fisheries, wild tobacco likes disturbed sites and its…

The lavender flowers and red berries of the Brazilian nightshade (Solanum seaforthianum) that is taking hold in the Dawn Road Reserve.

Brazilian nightshade

One of the newer, yet very invasive, weeds encountered in the Dawn Road Reserve has been Brazilian nightshade (Solanum seaforthianum), a deceptively pretty creeper with lavender florets and berries that are green when immature and bright red when ripe. A native of Mexico, Central America, the Caribbean and tropical South America, the Brazilian nightshade has become a weed…

The foliage on a mature broad-leafed pepper tree can reach all the way to the ground

Broad-leafed pepper

According to the Queensland Department of Agriculture and Fisheries, broad-leafed (or broad-leaved) pepper trees (Schinus terebinthifolius) are a Class 3 declared pest plant under Queensland law. A native to South America, they have been introduced into domestic gardens and escaped into the wild, invading coastal dunes, wetlands and stream banks. These trees are not only a…