Morphological characteristics of Lagerstroemia yunnanensis

Trees, up to 12 m, all hairless except inflorescences; Branches are cylindrical; The bud is oval. The leaves are nearly opposite, papery to thinly leathery, oval or oblong-oval, ovophobic and obovate, 7- 18cm long and 4-8cm wide. The top is short and tapering, the base is nearly round, the upper part is green and the lower part is light green. The midvein sinks upwards and bulges downwards, and the lateral vein 10- 165438. Petiole length 1.2- 1.5 cm. The flower base is S, the terminal panicle is10-15cm, glabrous or sometimes puberulent; The bud is nearly spherical and the top is round; Pedicel length1-1.5cm; Calyx cup-shaped, 1.5cm long, with brown or whitish powdery short hair, with 12 inconspicuous furrow, lobes narrowly triangular, half or equal to the length of calyx tube, spreading, bending when setting, and hairless inside; Petals nearly rhombic, claw 2.5 cm long, claw 7 mm long, purple to blue-purple; Stamens about 130, inserted in 2-3 whorls in the middle of calyx tube, nearly equal in length, with round anthers and wide elliptic connective; Ovary glabrous, 6-loculed. Capsule subglobose, about 2 cm in diameter, rough, 6-lobed. Flowers bloom in May.