《山海经·山经·中山经》
山上有茂密的杻树。山下有一种草，葵菜一样的茎干杏树一样的叶子，开黄色的花朵而结带荚的果实，名称是箨，人吃了它可以治愈眼睛昏花。
其上多杻木，其下有草焉，葵本而杏叶，黄华而荚实，名曰箨，可以已懵。
The mountain has dense chestnut trees. At the foot of the mountain, there is a kind of grass with a stem like a sunflower and leaves like an apricot. It has yellow flowers and bears fruits with pods. Its name is Lo, and it can cure eye diseases when eaten.