Petals white or whitish green, densely purple-brown punctate or not, obovate-oblong, ca. 7 mm, margin densely erose or shortly fimbriate, apex emarginate.

浓密，花瓣白色或带白色绿色具点的紫褐色与否，倒卵状长圆形，约7毫米，边缘密啮蚀状或短流苏状，先端微缺。

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Researchers say the shape and proportional size of the brain resembles that of another "apex predator": the great white shark.

BBC: Arctic sea monster's giant bite