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what is a fruit?
a ripened ovary
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what is a pericarp?
part of the fruit formed from the ovary wall
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what is a simple fruit?
develops from a single ovary
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in a berry...
entire pericarp is fleshy, all edible
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in a pepo....
berry with a hard exocarp (melons)
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hespendium
berry with a leathery exocarp having parchment like petitions (orange)
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drupe
berry with a hard stony endocarp (peaches)
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pome
berry where the ovary is surrounded by fleshy recepticle tissue (apple)
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what is a dry fruit?
fruit that has been dried (naturally dehydrated)
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in a dehiscent...
pericarp splits at maturity along a seam, releasing seeds
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three types of dehiscents
legumes, siliques, capsules
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in legumes...
one carpel seperate on two sides (pods)
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in siliques...
2 carpals seperated by a membrane (mustard)
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what is an indehiscent?
where the pericarp does not split at maturity
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types of indehiscents
achene, caryopsis, nut
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achene
small single-seeded dry fruit with a hard pericarp (sunflower)
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caryopsis
single seeded dry fruit where sead coat and pericarp are fused (corn, oats, wheat)
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nut
single seeded dry fruit with a hard pericarp enclosed in a husk (acorn)
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aggregate fruits
a fruit cluster of many ripened ovaries produced from a single flower (strawberry, blackberry, dewberry)
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multiple fruits
formed from ripened ovaries of several individual flowers; as they grow they fuse together (pineapple, fig)
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