In the wrong place

The family were downhome over Easter and Dau.II took a proprietorial walk through the fields. She reported that the top corner of one of those fields was carpetted with a particular sort of dicot sprout with 2 elongated seed-leaves and a robust reddish stalk. WTF? she enquired. I investigated and admitted that I'd never noted such a phenomenon before. But I formed a hypothesis that the pair of sycamores Acer pseudoplatanus in the ditch just to the South must have had a mighty year for seed set, as had several sweet chestnuts Castanea sativa down in the adjacent woodland. And sho'nuff Dr Google confirmed that sycamore seedlings looked just like that.That was all a nothing-burger until Dr Google threw up "sycamore seedling poisonous to horses" on the off-chance that was what I was really after. Equine atypical myopathy, aka atypical myoglobinuria when myoglobin is detected in the urine because muscle tissue is disintegrating. But you'd only [call in the vet to] look if your previously…