Indigofera anil vs indigo plant

Indigofera anil and indigo plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indigofera anil	Yes	No	No	No
indigo plant	Yes	No	No	No

As nouns, indigo plant is a hypernym of Indigofera anil; that is, indigo plant is a word with a broader meaning than Indigofera anil:

Indigofera anil: shrub of West Indies and South America that is a source of indigo dye
indigo plant: deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye

Other hypernyms of Indigofera anil include indigo, Indigofera tinctoria.

Indigofera anil (noun)	indigo plant (noun)
shrub of West Indies and South America that is a source of indigo dye	deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye