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Ah, ok. Yes, the last paragraph on page 1 says that the feature appeared before flowering plants, conifers and ferns split up. So yes, it is very ancient. Thank
by sampo 9y ago
Ah, ok. Yes, the last paragraph on page 1 says that the feature appeared before flowering plants, conifers and ferns split up. So yes, it is very ancient. Thank you.
- gus_massa 9y agoI expect a more recent mutation to make the kernels more toxic than the edible part of the fruit, but I couldn't find an article that discuss that.