What stem does Song Walnut refer to?

Walnut in Song Dynasty refers to Song Juhan knocking on the stem of walnut. Walnut in Song Dynasty refers to Song Juhan knocking on the stem of walnut. After several years of drunkenness in the novel written by Shui Qiancheng, Song Juhan asked him to send walnuts.

In fact, it was because Song Juhan knocked on walnuts to please him, but at this time Song Juhan accidentally learned that he was with someone else, so he went to ask me loudly why, so everyone would ask him to send walnuts at this time.

Morphological characteristics of walnut

Deciduous trees Pinnate compound leaves alternate; 5 ~ 9 leaflets, opposite, ovoid, ovoid or elliptic-ovoid, 6 ~ 15 cm long, 3 ~ 6 cm wide, pointed at the top and entire. Flowers are unisexual and open at the same time as leaves; Bear? The catkin is drooping, with dense flowers and 6 ~ 30 stamens; Female inflorescences are clustered, erect, born at the top of young branches, with 1 ~ 3 flowers, lower ovary and dense hair.

Drupe is nearly spherical, exocarp is fleshy and green; Endocarp bony, hard, with irregular shallow grooves The flowering period is May and the fruiting period is 65438+ 10.

A complete seed-like spherical surface consists of two brain-like cotyledons with a diameter of 1 ~ 3 cm. The surface is uneven, light brown or dark brown, with thin seed coat and dark veins. One end of the radicle has a triangular protrusion, and most of them are broken into regular blocks, milky white or yellow white, which are rich in oil. Taste slightly sweet; The seed coat is slightly astringent.