五爪风，中药名。为蔷薇科五叶悬钩子RubusquinquefoliolatusYüetLu的全草。植物五叶悬钩子，分布于我国四川、贵州。具有活血散瘀之功效。主治跌打损伤，鸡爪风，腰痛。
Wu-zhao-feng, name of Chinese Medicinal Material. It refers to the whole plant of Rubus quinquefoliolatus Yü et Lu, a member of the Rosaceae family. The plant, Rubus quinquefoliolatus, is distributed in Sichuan and Guizhou provinces of China. It is known for its function of promoting blood circulation and relieving blood stasis. It is mainly used to treat bruises, sprains, lumbago, and arthritis.

功效作用 Efficacy and Functions

活血散瘀。
Promoting blood circulation and removing blood stasis.

主治 Indications

跌打损伤，鸡爪风，腰痛。
Traumatic injury, chicken claw wind, and lower back pain.

用法用量 Dosage and Administration

内服：煎服，15-24g。
Internal administration: Decoction, 15-24g.

相关论述 Relevant Discussion

《四川中药志》：“性凉，味苦，无毒。”“治跌打损伤，腰痛，鸡爪风及痧症。”
"Compendium of Materia Medica from Sichuan Province": "Cool in nature, bitter in taste, non-toxic." "Used to treat injuries from falls or blows, lower back pain, chicken claw wind, and tetanus."

植物学信息 Botanical Information

植物种属蔷薇科五叶悬钩子。
The plant belongs to the Rosaceae family, Rubus pentaphyllus.

形态特征 Morphological Characteristics

攀援灌木，高约1.5米；枝圆柱形，灰棕褐色至紫褐色，幼时有柔毛，老时脱落，疏生皮刺。叶常为掌状5小叶，椭圆状披针形或菱状披针形，长3-7厘米，宽1-2.4厘米，顶端渐尖至尾尖，基部楔形，两面仅沿叶脉具柔毛，边缘有粗锐锯齿和重锯齿；叶柄长2-4厘米，具柔毛，小叶无柄或几无柄；托叶线状披针形，着生于叶柄基部，仅基部与叶柄连合或近分离，微有柔毛，常不分裂；花常单生于侧生小枝顶端；花梗长2-3.5厘米，无毛；苞片与托叶相似；花直径1.5-2厘米；花萼外面无毛，仅于内萼片边缘具绒毛，无刺或有稀疏针刺；萼片卵状披针形或三角状披针形，顶端尾尖，全缘，稀内萼片2-3浅条裂，在果期直立；花瓣卵形或椭圆形，白色，微有柔毛，几无爪，比萼片短得多；雄蕊单列，花丝宽扁；雌蕊10-15，花柱基部和子房均有浅黄色长柔毛。果实半球形，包藏在萼内，直径1-1.5厘米，红色，与宿存花柱基部均具长柔毛；核长达4毫米，有皱纹。花期4-5月，果期5-6月。
Climbing shrub, about 1.5 meters high; branches are cylindrical, gray-brown to purplish-brown, with soft hairs when young, which fall off when old, and sparsely covered with thorns. The leaves are usually palmately compound with 5 leaflets, elliptic-lanceolate or rhombic-lanceolate, 3-7 cm long, 1-2.4 cm wide, gradually tapering to a pointed or tail-like tip at the apex, and wedge-shaped at the base. Both surfaces have soft hairs only along the veins, with coarse serrations and heavy serrations along the edges; petioles are 2-4 cm long, with soft hairs, and the leaflets are sessile or nearly sessile; stipules are linear-lanceolate, attached to the base of the petiole, only connected to or nearly separated from the base of the petiole, slightly hairy, and often undivided; flowers are usually solitary at the tips of lateral branches; pedicels are 2-3.5 cm long, hairless; bracts are similar to stipules; flowers are 1.5-2 cm in diameter; the outside of the calyx is hairless, with only the inner sepals having marginal hairs, without thorns or with sparse needle-like thorns; sepals are ovate-lanceolate or triangular-lanceolate, with a pointed tip, entire margin, and rarely 2-3 shallow lobes on the inner sepals, which are erect during fruiting; petals are ovate or elliptic, white, slightly hairy, and much shorter than the sepals; stamens are solitary, with broad filaments; pistils are 10-15, with shallow yellowish long hairs at the base of the style and ovary. The fruit is hemispherical, enclosed in the calyx, 1-1.5 cm in diameter, red, and covered with long soft hairs at the base of the persistent style; the stone is up to 4 mm long and wrinkled. Flowering period is from April to May, and fruiting period is from May to June.

生长环境 Growing Environment

生于山坡、溪边疏密林下或分水岭杂木林中，海拔1550-2450米。
Born on the mountainside, by the stream in sparse or dense forests, or in mixed woods at the watershed, at an altitude of 1550-2450 meters.