Figure 1 Meadow buttercup flower structure
In the article ‘What is masting?’ on p. 12, were you surprised to find an acorn described as a fruit? If so, you might also be surprised to learn that a tomato is also a fruit, as is a cucumber and an aubergine.
What is a fruit? Look at the buttercup f lower in Figure 1. The buttercup f lower has female parts (carpels), and male parts (stamens). Within each carpel is an ovule, containing an embryo sac, within which is a female gamete. After fertilisation, the resulting zygote within the embryo sac divides by mitosis to produce an embr yo. From the rest of the carpel:
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