alkanets

紫草(Alkanna tinctoria),其根用作红色染料。

Any of species Alkanna tinctoria, a plant whose root is used as a red dye.

从植物根部用水或油提取的染料,主要用于棉,也用于丝和毛,呈深红色。

dyeing matter extracted from the roots of the plant with water or oil, used for cotton especially but also silk and wool, giving a deep red colour.

Alkanna属的其他植物。

Other plants of the genus Alkanna.

牛舌草(Anchusa officinalis)。

Common bugloss (Anchusa officinalis).

黄花牛舌草(Anchusa ochroleuca)。

Yellow alkanet (Anchusa ochroleuca).

假牛舌草(Cynoglottis barrelieri,异名Anchusa barrelieri)。

False alkanet (Cynoglottis barrelieri, syn. Anchusa barrelieri).

田紫草(Lithospermum arvense)。

Bastard alkanet or field gromwell (Lithospermum arvense).

绿花紫草(Pentaglottis sempervirens),开蓝花的常绿植物。

Green alkanet (Pentaglottis sempervirens), a blue-flowered plant with evergreen leaves.

血根草(Sanguinaria canadensis)。

Puccoon (Sanguinaria canadensis).