"Stop and sit in the late maple forest, and the frost leaves are red in February" comes from Du Mu's "Mountain Walk" in the Tang Dynasty. The maple forest in the poem refers to the maple forest. Liquidambar formosana is a very famous autumn red leaf tree species in China. Its leaves turn red after the autumn frost, and the forest is completely dyed and dazzling, so it is often called "Feng Dan". The "frost leaf" in the second sentence of the poem refers to the red leaves of Liquidambar formosana.

Brief introduction of Fengxiang

Liquidambar formosana, deciduous tree, 30 meters high, DBH 1 meter. Its bark is grayish brown and square. China Qinling Mountains and the provinces south of Huaihe River. Liquidambar formosana, also known as Liquidambar formosana and Passepartout, is a deciduous tree belonging to Liquidambar formosana of Hamamelidaceae. The leaves are broadly ovate, palmately 3-lobed, heart-shaped at the base and serrated at the edge. The head is woody, globose, with persistent spiny style and calyx teeth. Seeds numerous, brown, polygonal or with narrow wings.

South of Huaihe River in Qinling Mountains of China, north of Southeast Asia and south of South Korea. It is a north subtropical to marginal tropical tree species. Likes light, grows rapidly, and is mostly born in flat land, near villages and secondary forests in low mountains. Autumn leaves are red, which is a famous autumn foliage tree. Can be widely used in landscaping and ecological public welfare forest construction.

Liquidambar formosana likes warm and humid climate, light, drought resistance, barren resistance and no waterlogging. Most of them grow in secondary forests near flat land, villages and mountains. It grows well in moist, fertile and dark yellow loam. Deep root, long taproot, strong wind resistance, not resistant to transplanting and pruning. Not cold-tolerant, north of the Yellow River can't overwinter in the open air, and can't tolerate salt and alkali. Fire resistance, strong germination.