When is a Leaf not a Leaf?

There really are many answers to this in the world of botany.

In this case I am referring to the puzzling plant, Epiphyllum oxypetalum.

This leggy plant sprawls as it grows. It is in a heavy pot for balance not for root room.

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Mine has not bloomed yet, but I am enjoying its peculiar habit of growth.

When is a leaf NOT a leaf?  When it’s a stem.

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The orchid cactus has flattened stems that look like leaves with thick veins.

When new leaves pop out from the ends of these veins,

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you realize that the leaf was a stem.

Epiphytes that live in trees have different rules than ground plants.

A stem has to serve as a leaf and a stem.

Another lesson in life from a plant.

Thanks nature.

Flow

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