Beta vulgaris rubra and Beta vulgaris

Beta vulgaris rubra noun - Beet having a massively swollen red root; widely grown for human consumption.

Beta vulgaris and Beta vulgaris rubra are semantically related. In some cases you can use "Beta vulgaris" instead a noun phrase "Beta vulgaris rubra".

Beta vulgaris noun - Biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop.

Beta vulgaris rubra and Beta vulgaris are semantically related. Sometimes you can replace phrase "Beta vulgaris rubra" with "Beta vulgaris", this phrases are similar.