A teasel with stiff bracts which curve backwards from the prickly flower head.
Dipsacus sativus, family Dipsacaceae‘The fuller's teasel is regarded as a cultivated form of the wild teasel Dipsacus fullonum L. ssp fullonum.’
- ‘Hence, the fuller's teasel is called ‘sativus’ and the roadside teasel is called ‘fullonum.’’
So named because it was formerly dried and used for raising the nap on woven cloth.
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