Botanical Nomenclature
A variety will have an appearance distinct from other varieties, but will hybridize freely with those other varieties (if brought into contact). Usually varieties will be geographically separate from each other.
- Example
The pincushion cactus, Escobaria vivipara (Nutt.) Buxb., is a wide-ranging variable species occurring from Canada to Mexico, and found throughout New Mexico below about 2,600 metres (8,500 ft). Nine varieties have been described. Where the varieties of the pincushion cactus meet, they intergrade. The variety Escobaria vivipara var. arizonica is from Arizona, while Escobaria vivipara var. neo-mexicana is from New Mexico.
Read more about this topic: Variety (botany)
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“Evolution was all over my chldhood, walks abroad with an evolutionist and the world was full of evolution, biological and botanical evolution.”
—Gertrude Stein (1874–1946)