Other names are Huangmaocao, cat hair grass, Jinsimao, Feimahao, Blonde and Bizicao.

morphological characteristics: perennial clustered herbs, 1 ~ 3 cm high. Stem erect or slightly inclined at base, slender, white pilose at nodes, less branched. Leaves slightly bald, scabbard mouth or edge is slender cilia; Ligule short, ciliate; Leaf blade is linear, both surfaces and edges are hairy. Heading in summer and autumn, the raceme is solitary at the top of the main stem and branches, soft and curved, milky yellow; The apex of the first glume is truncated or rounded, covered with eyelashes; The second glume is slightly longer than the first glume, with eyelash at the apex, 2-toothed, awned, 2-2.4 cm long, thin and curved, golden yellow, like cat hair. Whole grass can be collected all year round, washed and dried for later use or fresh use.

growing environment the southern provinces and regions of China are the main producing areas. Most of them grow in stone crevices or ditches on hillsides.

sexual taste is sweet, light and flat. Clearing heat and diuresis, cooling blood and stopping bleeding.

the first prescription is selected: 3-6g of fresh Hypericum japonicum and 1 pig pancreas.

usage: stew with water.

indications: diabetes. The second party: 4 grams of fresh Hypericum japonicum.

usage: add 15g of rock sugar to the red belt; Leucorrhea and 6 ginkgo, stewed in water.

indications: excessive leucorrhea. Third party: 15 grams of Hypericum japonicum, 1 grams of fresh petroleum vegetables, 9 grams of typhoid grass and 12 grams of Houttuynia cordata.

usage: decoct with water.

indications: cold and fever. The fourth party: 3 grams of Hypericum japonicum, 5 grams of bamboo leaves, 3 grams of watermelon cuiyi, 9 grams of Ophiopogon japonicus and 6 grams of Artemisia annua.

usage: decoction, one dose per day, for five to seven days.

indications: summer fever in children. The fifth prescription: 3g of Hypericum japonicum, 3g of Prunus mume and 3g of imperata rhizome.

usage: decoct with water.

indications: summer heat injury, boredom, thirst and yellow urine. The sixth party: 1 grams of Hypericum japonicum, 5 grams of Artemisia annua, and 1 grams of Lycium barbarum.

usage: decoct with water, one dose per day, for 3 days.

indications: children with persistent low fever. The seventh prescription: 15 grams of Hypericum japonicum, 3 grams of Polygonum cuspidatum, and 6 grams of clover.

usage: decoct with water, 1 dose per day.

indications: icteric hepatitis. Eighth party: 3g of Hypericum japonicum, 3g of imperata rhizome, 3g of plantain, 3g of dandelion and 3g of Polygonum aviculare.

usage: decoction, one dose per day, for seven to ten days.

indications: acute pyelonephritis and cystitis.