Floral Structure and Fruit Types Flashcards
Superior ovary
flower parts arise below the ovary
inferior ovary
flower parts are coming of the top of the ovules
ovule
pre-seed
A fruit is an
enlarged ovary
containing seeds.
Pericarp
fruit wall
Exocarp
usually thin
mesocarp
fleshy or dry
endocarp
fleshy or dry
Fleshy Fruits
drupe
berry
pome
whats in the berry category
– Hesperidium
– Pepo
Berry are fruits
with more than one seed
typically, and thin or leathery skin or rind
Wild
Hesperidium, a
a special type of berry
with easily separable rind
Pepo-
a special berry with a rind that is not
easily separable, comes from inferior ovary
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Pome-
has leathery or papery
endocarp
Accessory Fruits
-All Fruits Derived from an Inferior Ovary
-Fruits with Tissue Besides that of Ovary
All Fruits Derived from an Inferior Ovary
– Pomes
– Pepos
Accessory Fruit: example
apple
developing squash
strawberry
Aggregate Fruit
A fruit derived from several separate pistils of
the same flower:
Aggregate Fruit example
strawberry
blackberry
Multiple fruit
A fruit derived from the ovaries of many
flowers
multiple fruit example
pineapple
mulberry
Dry, Indehiscent Fruits
- Samara
- Nut
- Caryopsis (Grain)
- Achene
Samara
an achene with a wing
e.g. Maple Fruits
Nut
has hard shell
e.g. Hazelnut
Caryopsis (Grain):
fruit wall fused to seed coat
e.g. Corn fruit
Achene
fruit wall loosely attached
e.g. Sunflower Fruit
Dry, Dehiscent Fruits
-capsules
-follicle
-legume
Capsule
Splits in various ways
follicle
Splits along one edge only
ex.milkweed
Legume
Splits along both edges
ex: beans and peas
