Assertion: hawthorn's thorn | /r/HasProperty | c. monogyna
Facets:
Source sentences:
text: Branches of Glastonbury thorn (C. monogyna 'Biflora', sometimes called C. oxyacantha var. praecox), which flowers both in December and in spring, were formerly highly valued in England, on account of the legend that the tree was originally the staff of Joseph of Arimathea.