Even though I was given the name Oxalis caprina for MV4674 I think that accession looks just like Oxalis commutata. Oxalis caprina is labeled in Cape Plants as a frequent weed of cultivation so perhaps they have that in common although MV4674 hasn't been a weed for me. I guessed O. caprina from Andrew's photo since it is one of a few with more than one flower in the peduncle (2-4, pale lilac with a greenish tube). I thought I had just sent the message to Andrew, not the list, since it was just a guess and I assumed one of the Oxalis experts would weigh in. But it was late and... Mary Sue