Crocus sativus

Crocus sativus L. is a dye plant.

Colors
It yields a yellow and red colours.

The main colorants include crocin, crocetin for yellow, and lycopene, α-carotene, β-carotene and zeaxanthin for red and orange.

Synonyms
It's called saffron in english. In China is called 番紅花 [fang hong hua], western red flowers, in chinsese.