zhè / zhǒng / zhí / wù / kě / yǐ / tí / qǔ / lán / diàn / yòng / lái / zhì / zuò / tiān / rán / rǎn / liào这种植物可以提取蓝靛,用来制作天然染料。Indigo can be extracted from this plant to make natural dye.