紫草

cǎo
  1. red root gromwell (Lithospermum erythrorhizon)
  2. flowering plant whose roots provide purple dye
  3. arnebia (plant genus in family Boraginaceae)

CEDICT

red-root gromwell (Lithospermum erythrorhizon)

Wiktionary

植物紫草科紫草多年生草本七十公分互生橢圓形夏日小白果實成熟灰色堅硬光澤紫色染料」。

重編國語辭典

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