# Why are there more varieties of some flower plants ?

**URL:** <https://boards.straightdope.com/t/why-are-there-more-varieties-of-some-flower-plants/851589>\
**Category:** Factual Questions\
**Created:** [April 11, 2020, 11:27pm UTC](https://boards.straightdope.com/t/why-are-there-more-varieties-of-some-flower-plants/851589 "2020-04-11T23:27:37Z")\
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**Author:** ![Senegoid](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/senegoid/32/6606_2.png) [@Senegoid](https://boards.straightdope.com/u/Senegoid)\
**Post date:** [April 12, 2020, 10:49am UTC](https://boards.straightdope.com/t/why-are-there-more-varieties-of-some-flower-plants/851589/3 "2020-04-12T10:49:44Z")

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Lots of varieties of some vegetables too. [This thread](https://boards.straightdope.com/sdmb/showthread.php?t=690890) discusses the several varieties of cabbage, all of which are one species, to the surprise of several posters there.

> [@Educate me on one of the finer points of botany, please (Brussels sprouts)](https://boards.straightdope.com/t/educate-me-on-one-of-the-finer-points-of-botany-please-brussels-sprouts/658289/4):
>
> The cabbage _Brassica oleracea_ has a very large number of distinct cultivars. Cabbage, Brussels sprouts, broccoli, kale, collard greens, cauliflower, and kohlrabi all belong to the same botanical species.

Elsewhere in that thread, someone mentions the many cultivars (breeds) of dogs.

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