七星草，中药名。为水龙骨科植物三出假瘤蕨Phymatopsistrisecta（Bak.）Ching[PolypodiumtrisectumBak.]的全草。七星草分布于四川、云南等地。具有利尿通淋，清热解毒之功效。常用于淋证，尿浊，水肿，带下，咽痛，中暑，痈疮肿毒。
Qi-xing-cao, name of Chinese Medicinal Material. It is the whole plant of Phymatopsistrisecta (Bak.) Ching [Polypodiumtrisectum Bak.], a plant of the family Polypodiaceae. Qi-xing-cao is distributed in Sichuan, Yunnan, and other places. It has the functions of promoting diuresis, relieving stranguria, clearing heat, and detoxifying. It is often used for symptoms such as stranguria, turbid urine, edema, leukorrhea, sore throat, heatstroke, and carbuncle swelling and toxicity.

功效作用 Efficacy and Functions

利尿通淋，清热解毒。
Diuretic and anti-inflammatory, clears heat and detoxifies.

主治 Indications

用于淋证，尿浊，水肿，带下，咽痛，中暑，痈疮肿毒。
Used for symptoms of lin syndrome, cloudy urine, edema, abnormal vaginal discharge, sore throat, heatstroke, and abscesses.

用法用量 Dosage and Administration

内服：煎汤，30-60g；或绞汁。外用：适量，捣敷。
Internal use: decoction, 30-60g; or juice. External use: appropriate amount, pounded for application.

相关论述 Relevant Discussion

1、《滇南本草》：“治砂淋、血淋、白浊、冷淋。又能包肚脐治阴症，敷（无）名疮大毒如神。”

1. "Dian Nan Ben Cao": "Used to treat sandy lin syndrome, bloody lin syndrome, leukorrhea, and cold lin syndrome. It can also be applied to the navel to treat gynecological disorders, and is especially effective for treating severe and nameless ulcers as if by magic."

2、《植物名实图考》：“治五淋白浊，又包敷无名大疮神效。又熨脐，治阴寒。”
2. "Illustrated Study of Plant Names and Realities": "Effective for treating the five types of lin syndrome and leukorrhea, as well as for applying to severe and nameless ulcers with remarkable effects. Also used for moxibustion on the navel to treat cold in the uterus."

临床应用 Clinical Applications

1、治肾炎：金鸡脚9g。泡开水服。

1. Treatment for nephritis: 9g of chicken feet. Soak in boiling water and take orally.

2、治湿热带下：金鸡脚60g。炖猪肉服。
2. Treatment for damp-heat in the lower body: 60g of chicken feet. Stew with pork and consume.

3、治咽喉肿痛：鲜金鸡脚30g。冷开水擂汁服。
3. Treatment for sore throat: 30g of fresh chicken feet. Crush and extract juice with cold water for consumption.

4、治中暑：鲜金鸡脚30g。捣烂取汁冷开水冲服。（1-4方出自《西昌中草药》）
4. Treatment for heatstroke: 30g of fresh chicken feet. Mash, extract juice, and mix with cold water for consumption. (Prescriptions 1-4 are from "Xichang Chinese Herbal Medicine")

附注 Note

《图考》石草卷十六第384页：“鹅掌金星草，生建昌山石间。横根，一茎一叶。叶如鹅掌，有金星。《滇本草》谓之七星草。”~按《图考》提及横根，系指地下根状茎；金星，系指孢子囊群。
"Tukao" Volume 16, page 384: "Goosefoot Goldstar Herb grows among the rocks of Jianchang Mountain. It has horizontal roots, with one stem and one leaf. The leaf resembles a goose's foot and has golden stars. According to "Yunnan Materia Medica," it is called Seven Star Herb." According to "Tukao," the horizontal roots refer to underground rhizomes, and the golden stars refer to sporangia.

加工炮制 Processing and Preparation

采收加工：全年均可采收，洗净，鲜用或晒干。
It can be harvested all year round, washed, and used fresh or dried.

药材鉴别 Medicinal Material Identification

药材性状：干燥全草，根茎上密生黄棕色鳞片，有光泽，下面有细长的棕褐色须根。叶柄细长；叶片皱缩，灰黄绿色，展开的叶片为2-3裂，也有不裂的，裂片呈披针形，薄纸质，柔软。叶背沿中脉左右各具1列圆形红褐色的孢子囊群，臭微，味淡。以叶片大，孢子囊群多者为佳。
The medicinal properties: The dried whole herb is densely covered with shiny yellow-brown scales on the roots and rhizomes, with fine long brownish roots underneath. The leaf stalk is slender; the leaf blade is wrinkled, grayish-green in color. The expanded leaf blade is 2-3 lobed, sometimes unlobed, with lobes lanceolate in shape, thin and papery, soft. Along the midrib on the back of the leaf, there are one row of circular reddish-brown sporangia clusters on each side, slightly smelly, with a mild taste. Leaves with larger size and more sporangia clusters are preferred.

植物学信息 Botanical Information

植物种属：水龙骨科植物三出假瘤蕨。
The plant species: Phymatopsis trifida, a member of the Polypodiaceae family.

形态特征 Morphological Characteristics

三出假瘤蕨又名三裂茀蕨、三出假茀蕨、三出假密网蕨、毛叶假瘤蕨。植株高5-10cm。根茎细弱横生，顶部与叶柄基部被鳞片。叶疏生；叶柄长2.5-5cm，禾秆色，基部以关节着生于根状茎，向上光滑；叶片革质，卵状三角形，长3-10cm，基部圆楔形或楔形，三深裂；裂片长圆形至长椭圆形，中间一片最长，渐尖头或急尖成尾状；小裂片椭圆形，稍斜上，边缘软骨质，并有疏浅缺刻；侧脉明显。孢子囊群圆形，沿中脉两侧各成1行，稍近中脉。
Phymatopsis trifida, also known as Tricholepis ternata, Adiantum trapeziforme, or hairy-leaved false holly fern, is a plant about 5–10 cm tall. The rhizome is slender and creeping, covered with scales at the top and base of the leaf stalk. Leaves are sparsely arranged; petioles are 2.5–5 cm long, straw-colored, jointed at the base of the rhizome, smooth above; the leaf blade is leathery, ovate-triangular, 3–10 cm long, rounded wedge-shaped or wedge-shaped at the base, deeply divided into three; lobes oblong to elongate-elliptic, middle lobe longest, apex gradually tapering or abruptly pointed into a tail; small lobes elliptic, slightly ascending, margins cartilaginous with sparse shallow notches; lateral veins prominent. Sori are round, arranged in one row on each side of the midvein, slightly closer to the midvein.

分布区域 Distribution Area

分布于四川、云南等地。
Distributed in Sichuan, Yunnan, and other regions.

生长环境 Growing Environment

生于松林下少阴处。
Grows in shady, moist areas under pine forests.