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FRUITS. Fruits can be divided into three categories:. 1. Simple fruit - a fruit formed from a single ovary of a single flower (monocarpous or syncarpous ovary) 2. Aggregate fruit - a fruit formed from several ovaries of a single flower (apocarpous) e.g. Anona

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Fruits
FRUITS

Fruits can be divided into three categories:

1. Simple fruit

- a fruit formed from a single ovary of a single flower (monocarpous or syncarpous ovary)

2. Aggregate fruit

- a fruit formed from several ovariesof a singleflower (apocarpous) e.g. Anona

3. Multiple fruit

- a fruit formed from the ovaries of flowers borne in a compact inflorescence. The fruits unite at maturity e.g. jackfruit, pineapple


Simple fruits
Simple fruits

  • Dry indehiscent fruits

  • Dry dehiscent fruits

  • Succulent/Fleshy fruits

    A fruit : - pericarp + the seed (inside)

    - is a ripened ovary/ovaries generally

    containing one to many seeds inside

    Pericarp : exocarp/epicarp + mesocarp + endocarp

    ** Following pollination and fertilization in a flower, the ovule develops into a seed while the ovarywall forms the fruit pericarp


1. Simple Fruits

A. Dry indehiscent fruits

Cypsela

Samara

Achene

pericarp

seed

Nut


coleoptile

plumule

radicle

endosperm

coleorrhiza

Caryopsis



B. Dry dehiscent fruits

Legume/Pod

Follicle

Siliqua

Loment/Lomentum


(ii) Capsule (Loculicidal)

(i) Capsule (Septicidal)

(iv-a) Capsule (Circumscissle)

(iv-b) Capsule (Operculate)

(iii) Capsule (Poricidal)

(Pyxis)

(Poricidal)




C. Succulent/Fleshy fruits

epicarp

epicarp

mesocarp

mesocarp

endocarp

endocarp

Drupe

endocarp

mesocarp

epicarp

Berry


endocarp

epicarp

outer limit of carpel

mesocarp

endocarp

remains of stamen, style and calyx

Pome

Hesperidium

seed

epicarp

tough (originated from the receptacle)

Pepo


2. Aggregate Fruit

calyx

pedicel

pits/seeds

fleshy receptacle

Strawberry

(achene)


pedicel

seed

fruitlet

Anona


3. Multiple Fruits

remains of a flower

bract

fruit axis

peduncle

Pineapple (sorosis)


true fruit

pericarp

seed

perianth

thickened stigma remains

fruit axis

thickened stigma remains

Jackfruit


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