黄杨叶，中药名。为黄杨科黄杨属植物黄杨Buxus sinica（Rehd.et Wils.）M.Cheng或雀舌黄杨B.bodinieri Levl.的叶。具有清热解毒，消肿散结的功效。主治疮疖肿毒，风火牙痛，跌打伤痛。
Huang-yang-ye, name of Chinese Medicinal Material. efers to the leaves of the plant Buxus sinica (Rehd.et Wils.) M.Cheng or Buxus bodinieri Levl. from the Buxaceae family. It has the functions of clearing heat, detoxifying, reducing swelling, and dispersing masses. It is mainly used to treat carbuncles, swollen abscesses, toothaches due to wind-heat, and traumatic injuries.

功效作用 功能
Efficacy and Functions

清热解毒，消肿散结。主治
Clearing heat, detoxifying, reducing swelling, and dispersing masses. Mainly used for治疗。

疮疖肿毒，风火牙痛，跌打伤痛。用法用量
Ulcers, abscesses, swelling, and toxins, toothaches caused by wind and fire, and pain from falls and injuries. Dosage and administration.

内服：煎汤，9g；或浸酒。外用：适量，鲜叶捣烂敷。加工炮制 采收加工
Internal use: Decoction, 9g; or soak in alcohol. External use: appropriate amount, crush fresh leaves and apply. Processing: harvest and process.

全年可采，鲜用或晒干。植物学信息 植物种属
Harvestable all year round, can be used fresh or dried. Botanical information: Plant species.

黄杨科黄杨属植物黄杨或雀舌黄杨。形态特征
The boxwood family includes the boxwood plant, also known as common boxwood or littleleaf boxwood. Its morphological characteristics include...

1、黄杨：常绿灌木或小乔木，高1-6m。树皮灰色，栓皮成有规则的剥裂；枝圆柱形，有纵棱，灰白色，小枝四棱形，被短柔毛或外方相对两侧面无毛，节间长0.5-2cm。叶对生；叶柄长1-2mm，上面被毛；叶片革质，阔椭圆形、阔倒卵形、卵状椭圆形或长圆形，通常中部以上较宽，先端圆或钝，常有小凹口，基部圆或楔形，长1-3cm，宽0.8-2cm，叶面光滑，中脉凸出，下半段常有微细毛，侧脉明显，中脉上常密被白色短线状钟乳体。穗状花序腋生，单性，雌雄同株，花密集，花序轴被毛；苞片阔卵形，长2-2.5mm，背部多少有毛；雄花约10朵，无花梗，外萼片卵状椭圆形，内萼片近圆形，长2.5-3mm，无毛，雄蕊连花药长达4mm，不育雌蕊有棒状柄，末端膨大，高2mm左右；雌花多存于花序上部，萼片6，排成2列，长达3mm，花柱3，子房3室，子房较花柱稍长，无毛，柱头粗厚，倒心形，下延达花柱中部。蒴果近球形，长6-10mm，宿存花柱长2-3mm，由3心皮组成，沿室背3瓣裂，成熟时黑色，径约1cm。花期3-4月，果期5-7月。2、雀舌黄杨：灌木，高3-4m。枝圆柱形，小枝四棱形，被短柔毛，后变无毛，叶薄革质，叶柄长1-2mm；叶片通常匙形，亦有狭卵形或倒卵形，大多数中部以上最宽，长2-4cm，宽8-18mm，先端圆或钝，往往有浅凹口或小尖凸头，基部狭长楔形，叶面绿色，光亮，叶背苍灰色，中脉两面凸出，侧脉极多。头状花序腋生，长5-6mm，花密集，花序轴长约2.5mm；雄花约10朵，花梗长0.4mm，萼片卵圆形，长约2.5mm，不育雌蕊有柱状柄，末端膨大；雌花外萼片长约2mm，内萼片长约2.5mm，受粉期间子房长2mm，花柱长1.5mm，略扁，柱头倒心形，下延达花柱1/3-1/2处。蒴果卵形，长5mm，宿存花柱直立，长3-4mm。花期2月，果期5-8月。分布区域

1. Boxwood: Evergreen shrub or small tree, 1-6m tall. The bark is gray, with corky bark peeling off in a regular pattern; branches are cylindrical with longitudinal ridges, gray-white in color, and twigs are four-angled, covered with short soft hairs or hairless on both sides, with internodes 0.5-2cm long. Leaves are opposite; petioles are 1-2mm long, hairy on the upper surface; leaf blades are leathery, broadly elliptic, broadly obovate, obovate-elliptic, or lanceolate, usually wider above the middle, rounded or obtuse at the apex, often with small notches, rounded or wedge-shaped at the base, 1-3cm long, 0.8-2cm wide, smooth on the leaf surface, with a prominent midrib, fine hairs on the lower half, distinct lateral veins, and the midrib often densely covered with white short linear glands in the upper half. Spike-like inflorescences are axillary, unisexual, with male and female flowers on the same plant, densely arranged, with hairy inflorescence axes; bracts are broadly obovate, 2-2.5mm long, somewhat hairy on the back; male flowers about 10, without pedicels, outer sepals obovate-elliptic, inner sepals nearly circular, 2.5-3mm long, hairless, stamens with anthers up to 4mm long, sterile pistils with a rod-shaped stalk, swollen at the tip, about 2mm high; female flowers mostly located in the upper part of the inflorescence, with 6 sepals arranged in 2 rows, up to 3mm long, 3 styles, ovary 3-loculed, ovary slightly longer than the styles, hairless, style thickened, inverted heart-shaped, extending downward to the middle of the style. Capsules are nearly spherical, 6-10mm long, persistent styles 2-3mm long, composed of 3 carpels, splitting into 3 valves along the dorsal suture, turning black when mature, about 1cm in diameter. Flowering period is March-April, fruiting period is May-July.2. Dwarf Boxwood: Shrub, 3-4m tall. Branches are cylindrical, twigs are four-angled, covered with short soft hairs, later becoming hairless, leaves are thin and leathery, petioles are 1-2mm long; leaf blades are usually spoon-shaped, sometimes narrowly ovate or obovate, mostly widest above the middle, 2-4cm long, 8-18mm wide, rounded or obtuse at the apex, often with shallow notches or small pointed protrusions, narrowly wedge-shaped at the base, green and shiny on the upper surface, grayish on the lower surface, with prominent midribs on both sides, and numerous lateral veins. Capitula are axillary, 5-6mm long, densely flowered, with inflorescence axes about 2.5mm long; male flowers about 10, with 0.4mm long pedicels, ovate sepals about 2.5mm long, sterile pistils with columnar stalks and swollen tips; female flowers with outer sepals about 2mm long, inner sepals about 2.5mm long, during pollination the ovary is 2mm long, the style is 1.5mm long, slightly flattened, with an inverted heart-shaped stigma extending downward to 1/3-1/2 of the style. Capsules are ovoid, 5mm long, with erect persistent styles, 3-4mm long. Flowering period is February, fruiting period is May-August. Distribution area.

1、黄杨：分布于华东、中南及陕西、甘肃、四川、贵州等地。2、雀舌黄杨：分布于陕西、甘肃、浙江、江西、河南、湖北、广西、广东、四川、贵州、云南等地。生长环境

1. Boxwood: distributed in East China, Central South China, Shaanxi, Gansu, Sichuan, Guizhou, etc.2. Bird's Tongue Boxwood: distributed in Shaanxi, Gansu, Zhejiang, Jiangxi, Henan, Hubei, Guangxi, Guangdong, Sichuan, Guizhou, Yunnan, etc. Growing environment.

1、黄杨：生于海拔1200-2600m的山谷、溪边、林下，现可栽培作观赏用。2、雀舌黄杨：生于海拔400-2700m的平地或山坡林下。

1. Boxwood: native to valleys, streamsides, and under forests at altitudes of 1200-2600 meters, now cultivated for ornamental purposes.2. Chinese Boxwood: native to flatlands or slopes at altitudes of 400-2700 meters under forests.