Butterflower's picture

Smooth Sow-thistle

Observed: 17th October 2013 By: ButterflowerButterflower’s reputation in PlantsButterflower’s reputation in PlantsButterflower’s reputation in PlantsButterflower’s reputation in Plants

I'm a little confused by the large petals. Do they do that when they first open?

Species interactions

No interactions present.


landgirl's picture


You need to look at the leaves where they clasp the stem. Sonchus oleraceus has pointed auricles, but we can't see them in the photos.

cicuta58's picture


You need to drop the last "o" in your Latin name to get iSpot to recognise it.


lavateraguy's picture

Identity and ligules

I'm not sure whether you have Sonchus oleraceus or Sonchus asper - the leaves look spiny and glossy enough to make the identification non-trivial, at which one has to look at the auricles.

However, I think that in the case of the broad yellow structures you have an aberration. I'd guess that they are broadened ligulate flowers.

Butterflower's picture

Thank you all. Very

Thank you all. Very interesting and I'll go back this weekend to get better photos.

Butterflower's picture

I revisited this plant and

I revisited this plant and indeed it had pointed auricles. The leaves weren't crinkled either, so I'm sure it's oleraceus.