Growing environment: born in the undergrowth of forests or grasses, distributed in Shaanxi, Jiangsu, Anhui, Zhejiang, Jiangxi, Henan, Hubei, Guangdong, Guangxi, Sichuan, Guizhou and other places.
Traits of the herb: stem square, hairy throughout, leaves opposite, elliptic-ovate or lanceolate, apex acuminate or acute, margin coarsely serrate, base attenuate, decurrent to petiole; leaf abaxial surface with pellucid glandular dots, paniculate cymes, opposite to the axil of the leaf or apical to the tip of the plant; bracts lanceolate.
Expanded information:
Cultivation
Select the deep soil, loose and fertile soil, water retention and fertilizer retention capacity, rich in humus, good drainage conditions and have a certain irrigation conditions of loamy or sandy loam plots of planting.
The roots of herbs are deeper into the ground, especially the root herbs, the roots are deeper into the ground up to 50cm. in order to enhance the soil's ability to retain water and fertilizers, to expand the root's absorption range and growth space, and to promote the high yield and quality of herbs;
After choosing a good plot of land, it should be common to carry out a large-scale deep plowing to break the plough sub-layer, to deepen the layer of living soil, and to do deep plowing and fine-tuning, and to achieve the whole layer of ploughing to reach the penetration, fine, flat and solid; combined with Combined with the formation of raised beds, so that the depth of the entire plow layer is not less than 30cm, both deepening the living soil layer, but also conducive to drainage.
Reference:
Baidu Encyclopedia ---- large-leafed serpentine