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25 Cards in this Set
- Front
- Back
Fruit
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a developing or mature pistil, with or without closely associated floral parts. The ovulary portion of the pistil is the part that commonly enlarges
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Functions of a fruit
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protect developing seeds, help disperse mature seeds
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Pericarp
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is the mature fruit wall (carpel wall); it is edible part of many fruits, like tomatoes; divided into three parts
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Exocarp
Mesocarp Endocarp |
the skin like outer layer
the center layer the innermost layer |
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Aggregate
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fruits that develop from several mature ovaries existing as a unit on a common receptacle (blackberry)
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Multiple
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fruits develop from the ovaries of many flowers grouped into a single unit (fig)
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Dehiscence
Indehiscent |
refers to opening of a mature fruit, which allows the seeds to disseminate
fruits that don't open at maturity; pulpy or nut-like |
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Dehiscent
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fruits are thwose wich split open or develop pores which provide for the release of seeds; carpel wall becomes dry at maturity
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Fleshy
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fruits are those in which the pericarp and floral cup, if present, remain primarily soft and succulent during the entire development period
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Berry
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a fruit which the pericarp is fleshy throughout and is compose of one or more carpels (grape)
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Pepo
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a berry with a dense or hard epidermis or rind such as squash; usually develop from epigynous flowers
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Hesperidium
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is a berry with a leathery rind such as an orange; juice filled vesicles which develop into the loculus from the outer wall of the endocarp
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Drupe
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or stone fruits are usually derived from a single carpel, in which the exocarp is thin, forming the skin
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pseudodrupes or pseudonuts
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drupe fruits that are dry and somewhat similiar to a nut
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Pome
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is an accessory fruit composed of a fleshy floral cup surrounding (5) carpel syncarpous gynoecium which has a skin-like endocarp; ie apple
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Dry fruits
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are those which teh pericarp becomes dry at maturity
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Legume
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composed of one carpel, which splits along two sutures when mature, eg: peas, beans
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Follicle
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consists of one carpel which splits along ventral suture when mature; ie Milkweed
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Capsule
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is composed of two or more carpels which dehisce; azalea
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Caryopsis
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grain fruit is composed of one seed with thin carpel wall firmly united to the seed coat; ie corn
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Achene
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is small one-seeded fruit derived from a simple or compound pistil in which the seed is attached only by the funiculus to the leathery or hard ovulary wall. Sunflower, rose
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Nut
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typically a one seed fruit which develops from a compound ovary with the seed attached only by the funiculus to the hard or stony pericarp; nuts are usually larger than achene
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cupule
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or involucre; the covering around a nut that partly surrounds the fruit
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Samara
Schizocarp |
a small one or two seeded fruit, somewhat similiar to an anchene, except for wing like outgrowth of the pericarp (ash, maple)
is a dry compound fruit splitting at maturity into individual one seeded achenes (celery, carrot) |
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Cones
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gynosperm's mature female strobili serve a function analogous to that of fruits (woody, berry, or fleshy) ex - sporophylls (sprangium covered Strobilus scales mod leaves); open at seed maturity; conifers and cycads
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