Stiffly branching Old World annual with pale yellow flowers,widely naturalized in North America,formerly used medicinally. 旧大陆的一年生植物，具有坚硬的枝条和淡黄色的花，广泛移植于北美，通常作药用植物。
The warm sunlight is seeping through the bamboo curtain and dapples on the wall with a light yellow colour. 温暖的阳光，穿过苇帘，照在淡黄色的壁上。
