Lá giang - Vị thuốc lợi tiểu, tiêu thũng
Cây dây leo, sống lâu năm, có thể dài tới 50m. Thân mềm, nhẵn, cành non màu xanh lục nhạt; cành già màu nâu sẫm. Toàn cây có nhựa mủ trắng. Lá hình trứng, mọc đối, gốc tròn, đầu nhọn, mép nguyên, gân phụ lá so le, gốc gân phụ lá có tuyến; lá có vị chua ăn được. Hoa nhỏ màu phớt hồng, mọc thành chùm. Hạt có chùm lông ở đỉnh. Cây ra hoa từ tháng 5. Bộ phận dùng làm thuốc thân, rễ và lá.
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