What is the pen name of scratching the tree?

Lagerstroemia speciosa likes warm and humid climate, light, a little shade tolerance, fat, especially the deep and fertile sandy loam. It is suitable for being born in a slightly humid place and is also resistant to drought and waterlogging. It is forbidden to plant in places with high groundwater level and low humidity. It is warm, but cold-resistant and has strong germination.

Lagerstroemia indica also has strong anti-pollution ability and strong resistance to sulfur dioxide, hydrogen fluoride and chlorine. Semi-shady, like to be born in fertile and humid soil, but also drought-tolerant, calcareous soil and acidic soil grow well.

Deciduous shrubs or small trees, up to 7 meters high; Bark is smooth, gray or grayish brown; Branches twisted, branchlets slender, 4-angled, slightly winged. Leaves alternate or sometimes opposite, papery, oval, broadly oblong or obovate, 2.5-7cm long and 65438 0.5-4cm wide, short or blunt at the top, sometimes slightly concave, broadly wedge-shaped or nearly round at the base, hairless or puberulent below the midvein, with 3-7 pairs of lateral veins and no obvious veinlets; Sessile or petiole very short.