It has yellow flowers in various shades of yellow, with varying degrees of penciling or red-brown lines and sometimes with a red-brown circular blotch above the gland.

花黄色，但常有一系列明暗深浅的变化。花瓣上富于变化的棕红色线条，有时在蜜腺上部有一圈棕红色的斑点。

youdao

His wedding, usually a joyous occasion in the orthodox Jewish community, is depicted in sombre colours - grey, black, with a blotch of red over the presiding angel.

BBC: Chagall and the art of passion and drama