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25 Cards in this Set

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Fruit
a developing or mature pistil, with or without closely associated floral parts. The ovulary portion of the pistil is the part that commonly enlarges
Functions of a fruit
protect developing seeds, help disperse mature seeds
Pericarp
is the mature fruit wall (carpel wall); it is edible part of many fruits, like tomatoes; divided into three parts
Exocarp

Mesocarp

Endocarp
the skin like outer layer

the center layer

the innermost layer
Aggregate
fruits that develop from several mature ovaries existing as a unit on a common receptacle (blackberry)
Multiple
fruits develop from the ovaries of many flowers grouped into a single unit (fig)
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
Dehiscent
fruits are thwose wich split open or develop pores which provide for the release of seeds; carpel wall becomes dry at maturity
Fleshy
fruits are those in which the pericarp and floral cup, if present, remain primarily soft and succulent during the entire development period
Berry
a fruit which the pericarp is fleshy throughout and is compose of one or more carpels (grape)
Pepo
a berry with a dense or hard epidermis or rind such as squash; usually develop from epigynous flowers
Hesperidium
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
Drupe
or stone fruits are usually derived from a single carpel, in which the exocarp is thin, forming the skin
pseudodrupes or pseudonuts
drupe fruits that are dry and somewhat similiar to a nut
Pome
is an accessory fruit composed of a fleshy floral cup surrounding (5) carpel syncarpous gynoecium which has a skin-like endocarp; ie apple
Dry fruits
are those which teh pericarp becomes dry at maturity
Legume
composed of one carpel, which splits along two sutures when mature, eg: peas, beans
Follicle
consists of one carpel which splits along ventral suture when mature; ie Milkweed
Capsule
is composed of two or more carpels which dehisce; azalea
Caryopsis
grain fruit is composed of one seed with thin carpel wall firmly united to the seed coat; ie corn
Achene
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
Nut
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
cupule
or involucre; the covering around a nut that partly surrounds the fruit
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)
Cones
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