Morphological characteristics and suitable planting environment of Glycyrrhiza uralensis

[morphological characteristics] Glycyrrhiza uralensis is a perennial herb with a height of 30cm and 100cm. Covered with white pubescence and glandular hairs. Aboveground stems erect, lower lignified, branchlets angular, green. Leaves alternate, odd status compound leaves. Leaflets 3-8 pairs, ovoid or ovate-elliptic, entire, apical leaflet larger. Raceme, axillary, pedicel very short, with an ovate bracteole below base, calyx campanulate, green, Corolla butterfly, purple or blue purple flowers. Fruit is pod, narrowly rectangular, curved into sickle-shaped or semicircular, brown, densely lanceolate tomentose. Seeds 5-8, ovoid and slightly flat, surface smooth, brown. Licorice is light-loving, cold-tolerant, drought-tolerant, barren-tolerant and can withstand a low temperature of-10 ℃. As licorice is a deep-rooted plant, the place with high groundwater level is not suitable for growth, which is easy to cause rotten roots and dead seedlings. Sandy loam is the best soil, but clayey soil and depressed land with poor drainage are not suitable to cultivate licorice.