Sycamore blossoms represent loneliness, poignancy, flowers unisexual, calyx 5-parted several times to the base, sepals striped, outwardly curled, 7-9 mm long, outside yellowish pubescent, inside only at the base of the pilose; pedicels and flowers several as long as the pedicel;

androgenophore of male flowers and calyx as long as the lower part of the thicker, glabrous, anthers 15 irregularly aggregated in the apical part of the androgenophore, staminode ovary pyriform The staminode ovary is pear-shaped and very small; the ovary of female flowers is rounded, hairy, flowering in June-July, and fruit ripening in October-November.

Native to China and Japan. It is widely branched from north to south and southwest China, especially in the Yangtze River valley.

Expanded information:

Sycamore trees like light, like warm and humid climate, cold tolerance is not strong; like fertile, moist, deep and well-drained soil, in acidic, neutral and calcareous soil can grow, but should not be planted in the stagnant puddle or saline land, but also It does not tolerate grassy wasteland.

Waterlogging is easy to rot the roots, flooded five days to death. Usually in the plains, hills and ravines grow better. Deep-rooted, strong roots; weak germination, generally should not be pruned. Growth is still fast, long life, can live more than a hundred years.

In the growing season by flooding 3 to 5 days will rot the roots to death. The leaves are late, and the leaves fall early in the fall. Strong resistance to a variety of toxic gases. Fear of virus disease, fear of big bag moth, fear of strong wind. Suitable for planting in the village side, house side, mountain slopes, limestone slopes and other places.