It’s Bermuda buttercup season in Los Angeles. Burmuda buttercup, also known as sourgrass, soursop, African wood-sorrel and many other names, is a member of the wood-sorrel family. It originated in the Cape region of South Africa and is now found all over California, parts of Australia and probably other places as well. Here, it comes with the rain and vanishes with the heat.
It’s a “weed” (Wikipedia describes it as a noxious weed and an invasive species) so if you look it up on the internet you’ll mostly find information on how to eradicate it. It’s true, it’s terribly persistent, because it spreads through underground bulbs. But I think its attractive–usually more attractive than whatever neglected patch of landscaping it has colonized. More importantly, it’s super tasty.
It packs a potent, lemony punch, like true sorrel, which makes it an excellent salad green, and that’s how I use it–raw, in salads. The leaves, stems and flowers are all tasty, but for salads I just use the flowers and leaves. They provide a bright, lemony note which is just wonderfully fresh and tasty with tender new lettuce–springtime in a bowl.
As its true name, Oxalis, indicates, it is high in oxalic acid (as are many more common greens, like spinach), and (mandatory warning) oxalic acid should not be consumed in enormous quantities or if your physician has warned against it for some reason. But its sour nature makes it unlikely that you could stomach enough to hurt you.
Give it a try if you haven’t yet. If this form of oxalis doesn’t grow near you, other edible wood sorrels– or naturalized true sorrel–might. Have a look around.
Note the structure: 3 hearts joined at the center, and the distinctive brown freckles on the leaves.
Oxalis pes-caprae has another use–as a dye. I’m experimenting with that this week, and will talk about the results in a future post.
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