They grow taller in the spring breeze, which means that when the spring breeze blows, weeds are full of vitality. This sentence comes from Bai Juyi's masterpiece Farewell to Ancient Grass in the Tang Dynasty.

Brazilian wood, a plant of Dracaena of Asparagaceae. Dracaena, a plant of Dracaena of Dracaena, is native to Canary Islands and Guinea in Africa and has been widely introduced and cultivated in China. Dragon's blood tree can reach more than 6 meters high, with thick trunk and grayish brown or light brown bark; Its leaves are broad, clustered at the top of the stem, long oval-lanceolate, petiole-free, spikes, small yellow-green flowers, and fragrant.