What does it mean that a cucumber is purple with a pen?

What does it mean that the cucumber is purple with a pen? Refers to a network language or word game.

First, crape myrtle

Lagerstroemia indica has beautiful posture, smooth trunk and bright colors; When it blooms, it happens to be the season when there are few flowers in summer and autumn, and the flowering period is long. Therefore, it is known as "Hundred Days Red" and "Summer Blue and White Flowers Full", and it is a good bonsai for viewing flowers, stems and roots; Roots, bark, leaves and flowers can be used as medicine.

Lagerstroemia indica deciduous shrubs or small trees, up to 7 meters high; Bark is smooth, gray or grayish brown; Twisted branches, slender branchlets, alternate or sometimes opposite leaves, papery, oval, oblong or obovate, green to yellow when young, purple-black when mature or dry, and ventricular dehiscence; Seeds winged, ca. The flowering period is from June to September, and the fruiting period is from September to June.

Second, the distribution of Lagerstroemia indica

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.

China, Guangdong, Guangxi, Hunan, Fujian, Jiangxi, Zhejiang, Jiangsu, Hubei, Henan, Hebei, Shandong, Anhui, Shaanxi, Sichuan, Yunnan, Guizhou and Jilin are all planted or cultivated. They are native to Asia and widely cultivated in tropical areas.

Third, planting

When planting, you can apply some organic fertilizer as base fertilizer. After autumn every year, ditch around the rhizosphere and apply organic fertilizer. In the dry season, pay attention to watering and loosening the soil. In the growing period, weeds should be cultivated regularly, and pests and diseases should be prevented in time to make the plants grow well.

And because the flowers of Lagerstroemia indica bloom at the top of the branches of the year, in order to make the plants bloom more, they should be pruned in winter. Generally, only 3-5cm is left for each branch, so as to promote the germination of more new branches and make the plants fully bloom at flowering stage. When pruning every year, the dead branches, twigs, branches of diseases and insect pests, sprouting branches, etc. that grow at the base should be cut off, so as to concentrate on supplying nutrients for flowering branches and make the trees neat and beautiful.