1. The citron tree symbolizes many children and grandchildren.

2. This plant is a shrub or small tree with purplish-red shoots, buds, and flower buds, and oval leaves with lobed edges. There are 12 flowers on a raceme, each with 5 petals. Its fruit is oval with a yellowish surface that is very rough and more difficult to peel. Its flesh is transparent and has a rather sour flavor with a slight aroma.