Leaves 2--5 mm wide, 3-angled or -keeled to obscurely 3-angled; perianth red to purple or lilac-pink to red-violet.

• 叶2--5毫米宽，具3角或-不明显具3角龙骨状；花被红到紫色或者粉红色到红色紫色紫丁香。(56