twisted Chinese bellflower crest
A traditional Japanese family crest (kamon) design featuring a Chinese bellflower (kikyō) with twisted petals.
That family's crest is a twisted Chinese bellflower.
Compound of 捻じ (neji, 'twist') and 桔梗 (kikyō, 'Chinese bellflower'), describing the twisted-petal bellflower motif used in heraldry.