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欧活血丹为唇形科、活血丹属的多年生草本,原产于欧洲、北美。本属约12种,观赏栽培仅此1种。植株蔓性生长,有走茎,着地易生根。单叶对生,叶柄细长,叶片肾形,基部心形,叶缘锯齿明显。轮伞花序,花冠唇形,花朵小,淡紫近白色。观赏品种以观叶为主,代表品种‘Variegata’,叶缘银白色。常作为组合盆栽的陪衬用叶材,可以同各种花色的品种配置。春季扦插或分株繁殖,注意栽培品种有保护专利问题。宜栽培于阴处或半阴处。土壤要求疏松,排水良好,pH值6.0。生长温度12～14℃,
Europe live blood Dan lip labial, blood of Dan is a perennial herb, native to Europe, North America. The genus is about 12 species, ornamental cultivation only one species. Trailing plants grow, there are walking stems, easy to root. Leaves simple, petioles slender, leaf kidney-shaped, base of the heart-shaped, leaf serrations obvious. Umbrella inflorescence, corolla lip, flowers small, lavender near white. Ornamental varieties to leaf-based, on behalf of Variety ’Variegata’, leaf edge silver white. Often as a combination of potted leaves with a variety of colors can be configured. Cutting or ramets breeding in spring, pay attention to cultivated varieties have the protection of patents. Should be cultivated in the shade or half shade. Soil requirements loose, well drained, pH 6.0. Growth temperature 12 ~ 14 ℃,