Wood-sorrel: Exotic or Native?


I’ve discovered there are two species of yellow flowering Wood-Sorrel (Oxalis) which look very similar, and are often confused.  One is native to Australia, the other is an exotic (weed) originally from South Africa. Looking at the flowers of both species, I believe this could be the Australian native plant Grassland Wood-sorrel (Oxalis perennans).  Can anyone … Continue reading Wood-sorrel: Exotic or Native?

Exotic: Large-flower Wood-sorrel (Oxalis purpurea)


The Large-Flower Wood-sorrel flower looks pretty, but this plant is a weed introduced from elsewhere.  We have a couple of very small patches of it this year. I think it is new as I have not noticed it before. I’ve heard that Oxalis spreads if you try to pull it out of the ground and we don’t … Continue reading Exotic: Large-flower Wood-sorrel (Oxalis purpurea)