Friday Fun Fact: Banana Plants “Walk” Up to 40 Centimetres in a Lifetime

There is quite a lot of things people think they know about the banana, but like a lot of things that are common knowledge, they are mistaken. But one of the more interesting aspects of banana biology is the basis of today’s fun fact.

Banana Plants “Walk” Up to 40 Centimetres in a Lifetime

A banana plant

Banana plant

The reason they walk comes down to how they are cultivated. Bananas for human consumption are all clones of a single plant selectively bred to produce the delicious yellow berry (bananas aren’t considered a fruit but a berry). The plants are grown asexually from offshoots of the plant. Generally, there are two shoots at any one time, one that is used immediately and one that will yield bananas in 7 months time. As the shoots grow along the ground rather than downwards, the pseudostem that produces the bananas can move slightly over the years. Thus the “walking”.

Some other things about bananas you might like to know:

There is no such thing as a banana tree. The correct term is banana plant. This comes down to the fact that banana plants do not contain a woody stem. As such they can not be defined as trees. Rather, they are herbs.

The wild type banana is rather different from the banana that is made from human consumption. Wild type bananas are rounder and contain a number of large, hard seeds.

Wild Type banana

Wild Type banana, notice the large seeds inside

There is a rather large diversity of banana species, writing in The New YorkerMike Peed had the following to say about the diversity.

There are fuzzy bananas whose skins are bubblegum pink; green-and-white striped bananas with pulp the color of orange sherbet; bananas that, when cooked, taste like strawberries. The Double Mahoi plant can produce two bunches at once. The Chinese name of the aromatic Go San Heong banana means ‘You can smell it from the next mountain.’ The fingers on one banana plant grow fused; another produces bunches of a thousand fingers, each only an inch long.

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About plavin1922
PhD Student in cancer research, eager geneticist with an interest in all things science. Occasional fun fact dispenser.

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