化药，中药名。为鳞毛蕨科植物大羽贯众Cyrtomiummacrophyllum(Makino)Tagawa的根茎。具有清热解毒，活血止血，驱虫之功效。用于烧烫伤，崩漏，带下，跌打损伤，蛔虫病。
Hua-yao, name of Chinese Medicinal Material. It refers to the rhizome of Cyrtomium macrophyllum (Makino) Tagawa, a plant of the family Dryopteridaceae. It has the functions of clearing heat and detoxification, promoting blood circulation and stopping bleeding, and expelling parasites. It is used for burns, scalds, menorrhagia, leukorrhea, bruises, and roundworm disease.

功效作用 功能
The efficacy and functions.

清热解毒，活血止血，驱虫。主治
Clearing heat and detoxifying, promoting blood circulation and stopping bleeding, and expelling parasites. Used to treat...

用于烧烫伤，崩漏，带下，跌打损伤，蛔虫病。用法用量
Used for burns, scalds, collapse, abnormal vaginal discharge, bruises, and roundworm disease. Dosage and administration.

内服：煎汤，9-15g。外用：适量，捣敷；或研末调敷。加工炮制 采收加工
Internal use: Decoction, 9-15g. External use: appropriate amount, pounded for application; or ground into powder for application. Processing and preparation: harvesting and processing.

全年均可采挖，洗净，晒干或鲜用。药材鉴别 药材性状
Can be harvested, cleaned, dried, or used fresh throughout the year. Identification of medicinal materials and their properties.

根茎疏生阔披针形暗褐色大鳞片，叶柄长20-30cm，深禾秆色，有疏鳞片，叶片长圆形，长20-50cm，宽20-25cm，叶轴和羽柄有少数纤维状鳞片，单数一回羽状，羽片长卵形、长圆披针形，基部圆形，近全缘或有少数短尖锯齿；羽状网脉，主脉两侧各有网眼7-8行，内藏小脉1-3条。孢子囊群生于内藏小脉中部，囊群盖圆盾形，全缘。气微。植物学信息 植物种属
The plant has sparsely arranged, broad, spreading, lanceolate, dark brown large scales on the rhizome. The petiole is 20-30cm long, deep straw-colored, with sparse scales. The leaf blade is oblong, 20-50cm long and 20-25cm wide, with a few fibrous scales on the rachis and rachis. The leaf is once pinnate, with long ovate or oblong-lanceolate pinnae, rounded at the base, nearly entire or with a few short pointed serrations; the veins are pinnate, with 7-8 rows of areolae on each side of the midrib, and 1-3 small veins hidden inside. The sporangia are located in the middle of the hidden small veins, and the sporangial cover is circular and entire. The plant has a faint aroma. This is botanical information about the plant species.

鳞毛蕨科植物大羽贯众。形态特征
The plant belongs to the family of Polypodiaceae, and it is characterized by its large fronds.

大羽贯众，又名大叶贯众。植株高60-80cm。根茎短而斜升，连同叶柄基部被暗褐色、披针形或狭披针形鳞片。叶簇生；叶柄长20-30cm，深禾秆色，基部以上有疏鳞片；叶片长圆形，纸质，长20-50cm，宽20-25cm，沿叶轴和羽轴有少数纤维状鳞片，单数一回羽状；羽片大，15-20对，互生或下位的对生，斜三角状长圆形，有极短的柄，下部的较大，长卵形，先端渐尖，基部上侧截形并与叶轴平行，呈短耳状突起，下侧楔形，边缘有钝锯齿，其余向上羽片渐变小，顶端1片近羽裂；叶脉网状，中脉两侧各有网眼7-8行，内藏小脉1条。孢子囊群生于内藏小脉中部，散布于羽片背面；囊群盖圆盾形，褐色，中间较厚，边缘膜质，全缘。分布区域
The plant is called Daye Guanzhong, also known as Daye Guanzhong. The plant is 60-80cm tall. The rhizome is short and oblique, with dark brown, lanceolate or narrowly lanceolate scales at the base of the leaf stalk. The leaves are clustered; the leaf stalk is 20-30cm long, dark green, with sparse scales above the base; the leaf blade is oblong, papery, 20-50cm long, 20-25cm wide, with a few fibrous scales along the leaf axis and rachis, pinnate with odd-pinnate; the leaflets are large, 15-20 pairs, alternate or subopposite, obliquely triangular-ovate, with very short stalks, the lower ones are larger, ovate, gradually pointed at the apex, with a truncate base on the upper side parallel to the leaf axis, forming a short auricle, and wedge-shaped on the lower side, with blunt serrations on the margin, the rest of the leaflets gradually becoming smaller upwards, with the top one nearly pinnately lobed; the veins are reticulate, with 7-8 rows of areolae on each side of the midrib, and one hidden vein. The sporangia are borne in the middle of the hidden vein, scattered on the back of the leaflet; the sporangial cover is round and shield-shaped, brown, thicker in the middle, membranous at the edge, and entire. Distribution area.

西南及陕西、甘肃、江西、湖北、湖南等地。生长环境
Southwest China, as well as Shaanxi, Gansu, Jiangxi, Hubei, Hunan, and other regions. Growth environment

生于海拔1200-3500m的山坡林下、溪沟边或灌木丛下。
It grows in the mountainous slopes, stream valleys, or shrubbery at an altitude of 1200-3500 meters.