Teasel plants are especially noticeable in the winter when their prickly seedheads are lightly capped with snow.
|Dipascus fullonum seed heads|
|Teasel plant's phytotelmata|
Apparently the teasel plant may derive some nutritive benefit from the micro-community that lives in its water-collecting cups. See some research about those benefits in Carnivory in the Teasel.
Perhaps the teasel is a partially carnivorous plant.