(tldr: Why did a receptacle-stem expansion take on the role of ovary-wall expansion to attract dispersers in certain fruits like strawberries?) The strawberry, Genus Fragaria, primarily relies on receptacle (the stem tissue) expanding to form the fleshy edible part that attracts dispersers, where d…

I haven’t read any literature on this, so it’s just my hypothesis, but I think in the Rosaceae one of the ancestral fruit types is a dry capsule. If plants with dry, non-animal-dispersed fruits then faced selective pressure to switch dispersal methods and get animals to eat them, you might get these…

There are many examples of tortuous developments in nature. Why do plants colorful bracts instead of colorful flowers that had invented by their ancestors? Aside from tiny differences in the possibilities of different structures the main reason: once a feature with a function is lost the process of…

[image] m_whitson: If plants with dry, non-animal-dispersed fruits then faced selective pressure to switch dispersal methods and get animals to eat them yes thanks, but the question is about why only the receptacle is taking the role here in certain class of fruits over other parts with those…

Are you sure that the ‘fleshy edible part’ in raspberries and other Rubus is receptacle tissue? as far as I can tell, only the drupes are picked then eaten, the receptacle stays attached to the bush. Or are there cultivated varieties in your part of the world where this part develops as edible?

sorry, yes I have to edit the main post fruit examples again but as in last comment and title it is about reason for strawberry receptacle factor. thanks

Why is the strawberry the way it is?

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Why is the strawberry the way it is?

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