The flowering period of Liriodendron is about May-June.

Liriodendron chinense )sarg。 Flora of China. Rare plants endemic to China. Deciduous trees, 40 meters high, DBH 1 meter above, with gray or grayish brown branchlets. The shape of the leaves is like a jacket-the top of the leaves is flat, like the hem of a jacket; The sides of the blade are smooth or slightly curved, like the waist of a jacket; The two sides of the blade protrude outward, like two sleeves sticking out of a jacket. So Liriodendron is also called Liriodendron. The flower has a solitary branch top, 9 perianth segments, 3 calyx-shaped outer wheels, green, petal-shaped yellow-green inner wheels, and yellow stripes at the base, which are similar to tulips. So its English name is "Tulip Tree in China", which translates into "Tulip Tree in China" in Chinese.

Photo of Liriodendron chinense in flowering period