绞股蓝，又名五叶参、七叶胆，日本称之甘蔓茶，属葫芦科的一种植物。

多年生攀援草本。叶子互生，常5～7小叶，呈鸟趾状复叶；中央一枚较大，先端渐尖，叶缘有锯齿。夏季开黄白色花，圆锥花序腋生，雌雄异株。圆形浆果；种子如豌豆大，熟时为黑紫色。

Gynostemma pentaphyllum, also called jiaogulan (Simplified Chinese: 绞股蓝, Traditional Chinese: 絞股藍, Pinyin: jiǎogǔlán), literally "stranded blue plant", is a dioecious, herbaceous climbing vine of the family Cucurbitaceae (cucumber or gourd family) indigenous to the southern reaches of China, northern Vietnam, southern Korea, and Japan. Jiaogulan is best known as an herbal medicine reputed to have powerful antioxidant and adaptogenic effects purported to increase longevity. Pharmacological research has indicated a number of therapeutic qualities of Jiaogulan, such as lowering cholesterol and high blood pressure, and strengthening immunity.