Pennisetum has short rhizome, tufted stems, loose leaf sheaths, bristles and cilia at the edge, and a circle of cilia with a length of about 65438±0mm on the tongue. Leaf blade linear, a little hairy. Panicles are tightly cylindrical, yellow to purple, and spikelets often bend downward when mature.

The bristles are different in length, the outer ring is thinner and shorter, and the inner ring has feathered silk hairs; Spikelets ovate-lanceolate; The first glume degenerated; The second glume and the first lemma are longer than spikelets, and the two ridges and apex of the first lemma are hairy; The second lemma is slightly cartilaginous and shorter than spikelet.

The use of dog tail grass:

First, dog tail grass can be used as feed.

Fresh Pennisetum is rich in crude fat, crude protein, crude fiber, nitrogen-free extract and ash. It is an advanced forage grass and is loved by cattle, sheep, rabbits, geese, fish and other animals.

The whole grass contains 2.6% crude fat, 0/0.27% crude protein, 34.55% nitrogen-free extract, 34.40% crude fiber and 0/0.60% crude ash.

Because of its advantages of drought resistance, salt tolerance, moisture resistance, no disease, lax requirements for soil conditions and rapid growth, it is widely cultivated in southern provinces such as Guangdong, Fujian, Guangxi, Hainan and Zhejiang, and is a good feed source for herbivores and fish.

Second, other uses.

1. Hay in autumn can also be used as fuel for cooking, heating and making beds.

2. Furfural can be extracted from spikelets. After the whole grass is boiled in water for 20 minutes, the filtrate can be sprayed to kill vegetable pests.

3. Pennisetum is a raw material for textile or papermaking; It is also often used as the oil loquat seed of local oil; It can also be used to reinforce dike sand.