Yep, I'm not sure how old but I guess when the upper leaves start shading out the lower ones then they develop the windows to let light through. Peace lily leaves are spear shaped not heart shaped. Similar type of growth habit though.
If you can keep your head, while those around you are losing theirs, you may not have grasped the seriousness of the situation.
That’s really interesting @Silver surfer - my friend who owns this monstera does live in a hot place so maybe I should convince her to grow it outside and see if it fruits.
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I guess monstera won’t have flowers.
https://www.google.com/search?q="monstera+deliciosa+flower"&tbm=isch&ved=2ahUKEwiHydLCjonxAhULdBoKHZtSCy4Q2-cCegQIABAA&oq="monstera+deliciosa+flower"&gs_lcp=CgNpbWcQDDICCAAyBAgAEB4yBggAEAUQHjIGCAAQBRAeMgYIABAFEB4yBAgAEBgyBAgAEBgyBAgAEBgyBAgAEBg6BggAEAgQHlClIVilcGC7gQFoAHAAeAOAAcsBiAHADZIBBjEzLjMuMZgBAKABAaoBC2d3cy13aXotaW1nsAEAwAEB&sclient=img&ei=6vK_YIesBovoaZulrfAC&bih=567&biw=1280&client=firefox-b-d
On Madeira they collect the fruits and eat them.