百齿卫矛，中药材名。为卫矛科植物百齿卫矛Euonymus centidens Levl.的全株。具有祛风散寒，理气平喘，活血解毒的功效。主治风寒湿痹；腰膝疼痛，胃脘胀痛，气喘，有经不调，跌打损伤，毒蛇咬伤。
Bai-chi-wei-mao, name of Chinese Medicinal Material. the whole plant of Euonymus centidens Levl., a plant of the Celastraceae family. It has the effects of dispelling wind and cold, regulating qi, relieving asthma, promoting blood circulation, and detoxification. It is mainly used for wind-cold dampness arthralgia, lumbago and knee pain, epigastric pain, asthma, irregular menstruation, traumatic injury, and snake bites.

功效作用 Efficacy and Functions

祛风散寒，理气平喘，活血解毒。
Dispel wind and scatter cold, regulate qi and relieve asthma, activate blood circulation and detoxify.

主治 Indications

风寒湿痹；腰膝疼痛，胃脘胀痛，气喘，月经不调，跌打损伤，毒蛇咬伤。
Wind-cold-damp bi syndrome; pain in the lower back and knees, distension and pain in the epigastrium, asthma, irregular menstruation, traumatic injury, and snake bites.

用法用量 Dosage and Administration

内服：煎汤，6-15g；或浸酒。外用：适量，研末调敷；或鲜品捣敷。
Internal use: decoction, 6-15g; or soak in alcohol. External use: appropriate amount, grind into powder for application; or apply with fresh product.

加工炮制 Processing and Preparation

采收加工：全年均可采，洗净鲜用或切段晒干。
Processing and preparation: can be harvested all year round, washed and used fresh or cut into sections and dried.

植物学信息 Botanical Information

植物种属：卫矛科卫矛属植物百齿卫矛。
Plant species: Euonymus centidens, a plant of the Celastraceae family, genus Euonymus.

形态特征 Morphological Characteristics

灌木，高达6m。小枝四棱形，有时有窄翅。叶对生；叶柄极短或无柄；长圆状椭圆形或窄椭圆形，长5-11cm，宽2-4cm，先端长渐尖，边缘具明显尖锐密生锯齿。
Shrub, up to 6m high. The small branches are four-angled, sometimes with narrow wings. Leaves are opposite; leaf stalks are very short or absent; they are oblong-elliptic or narrowly elliptic, 5-11cm long, 2-4cm wide, gradually tapering at the tip, with sharp serrated edges.

聚伞花序有1-3花，总花梗稍方形，长达1cm；花暗黄色，直径约7mm，4数；雄蕊无花丝，着生于方形花盘的4角上。
The cymose inflorescence has 1-3 flowers, with slightly square-shaped peduncles up to 1cm long; the flowers are dark yellow, about 7mm in diameter, tetramerous; stamens lack filaments and are attached to the corners of the square floral disc.

蒴果4深裂，裂瓣横向发育，常只1-2瓣成熟。种子红褐色，假种皮橙黄色，顶端较窄成脊状，只包围种子向轴面的一半。
The capsule is deeply divided into 4 parts, with horizontally developed lobes, often only 1-2 lobes mature. The seeds are reddish-brown, with an orange-yellow aril, the apex narrower and ridge-like, covering only half of the seed on the axial side.

分布区域 Distribution Area

分布于湖南、四川、贵州、云南。
Distributed in Hunan, Sichuan, Guizhou, and Yunnan.

生长环境 Growing Environment

生于山中杂木林、竹林等处。
Born in the mountains among mixed woodlands, bamboo groves, and other similar places.