Crossword Genius

Old man's in rustic idyll, a place to see frogs (4,3)

Ross

I believe the answer is:

lily pad

I'm a little stuck... Click here to teach me more about this clue!

'old man's' is the definition.
The definition and answer can be both plants as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for lily pad that I've seen before include "Leaf of flowering aquatic plant" , "Frog's perch in lake" , "Pond feature upon which a frog may sit" , "Frog's floating home?" , "Water feature of floating leaves" .)

I've seen this clue in The Guardian.
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