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Morphological characteristics of Lagerstroemia indica;

Lagerstroemia indica is a deciduous shrub or small tree, with a height of 7 meters; 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. Colors are rose red, scarlet, dark pink, reddish or purple, white, 3-4 cm in diameter, often forming a terminal panicle of 7-20 cm; Pedicel 3- 15 mm long, axis and pedicel pilose; The calyx is 7- 10 mm long, and the exterior is smooth without edges, but when it is fresh, the edge of the calyx tube is short, with microprotrusions, hairless on both sides, and the lobes are 6, triangular, upright and without appendages; Petals 6, shriveled, long 12-20 mm, with long claws; Stamens 36-42, 6 are inserted on the calyx outside, much longer than others; Ovary 3-6-loculed, glabrous. The capsule is ovoid, spherical or broadly elliptic, with a length of 1- 1.3 cm, green to yellow when it is young, purple-black when it is mature or dry, and its ventral part is cracked. Seeds winged, ca. The flowering period is from June to September, and the fruiting period is from September to June.

Lagerstroemia indica has bright color, long flowering period and long life span, and the tree age can reach 200 years. Lagerstroemia indica, as an excellent ornamental tree species, is widely used in park greening, courtyard greening, road greening, block cities and so on. In practical application, it can be planted in front of buildings, courtyards, Chi Pan, rivers, lawns and on both sides of park paths. It is also a good material for making bonsai.