1, ajuga (scientific name: ajuga. ), panicum miliaceum. The root system is extremely developed. The culms are clustered and the base is inclined. Both sides of leaf sheath are flat and ridged, relaxed, hairless or sparse wart; The length of ligule is about 65438±0mm；; Leaf blade spreading, linear, glabrous or hairy with warty base. Spikes with 2-7 fingers attached to the top of culms, rarely solitary; Spikelets are 4-7 mm long, 2-3 mm wide and contain 3-6 florets; Glumes lanceolate, ridged and rough. Capsule oval, concave at the base, with obvious wavy wrinkles. Paddle 2, folded, with 5 veins. Flowering and fruiting period: June-65438+1October.
2. It is distributed in northern and southern provinces of China and temperate and tropical regions of the world. Most of them were born in the barren land, beside the road. It is also distributed in temperate and tropical regions all over the world. The root system is extremely developed, the stems and leaves are thick, the whole plant can be used as feed, and it is also an excellent soil and water conservation plant. Whole herb decoction can prevent and treat Japanese encephalitis.