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Flower Receptacles
Parts/anatomy of a flower receptacle and nodes
29
Biology
Undergraduate 1
10/11/2010

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Term
Receptacle
Definition

the four nodes of modified stem to which the sepals, petals, stamens and carpels, all of which are modified leaves, are attached


Term
Carpels - 
Definition
 In gynoecium. Multiple carpels are typically fused together into a pistil; made of stigma, style, and ovary.
Term
Complete flower -
Definition
 both calyx and corolla present 
Term
Petals -
Definition
 second whorl of modified leaves in the flower. May attract pollenators on the basis of taste, smell or sight.
Term
Superior ovary
Definition
 see hypogynous
Term
Pistil - 
Definition
archaic name for carpel. Flower structure that supports and produces the female gametophyte
Term
Ovary - 
Definition
base of the pistil containing ovule(s)
Term
Locule - 
Definition
chamber in the ovary
Term
Perianth - 
Definition
collective term for calyx and corolla
Term
Gynoecium - 
Definition
collective term for carpels (pistils)
Term
Corolla - 
Definition
collective term for petals
Term
Androecium - 
Definition
collective term for stamens
Term
Megagametophyte - 
Definition
female gametophyte made up of eight cells.
Term
Sepals - 
Definition
first whorl of modified leaves in the flower. May range from leaf-like to petal-like.
Term
Hypogynous - 
Definition
flowers have flower parts attached below the ovary
Term
Stamen - 
Definition
modified leaves in the androecium that support and produce the male gametophyte; composed of filament (long stalk) and anther (makes male gametophytes).
Term
Style - 
Definition
neck of the pistil through which pollen tube grows
Term
Anther - 
Definition
part of the stamen: the chambers at the top of the filament where meiosis occurs and pollen is formed
Term
Filament - 
Definition
part of the stamen: the stalk holding up the anther 
Term
Inferior ovary - 
Definition
see epigynous
Term
Perfect - 
Definition
stamens and pistil(s) in same flower
Term
Whorls - 
Definition
the arrangement of sepals, petals, etc at their nodes.
Term
Calyx - 
Definition
the collective term for the sepals
Term
Egg - 
Definition
the female gamete, one of the eight cells in the female gametophyte.
Term
Sperm - 
Definition
the haploid male gamete
Term
Microgametophyte - 
Definition
the pollen, or more specifically, the two cells inside the pollen.
Term
Stigma - 
Definition
tip of the pistil on which pollen lands and germinates; held up by the style
Term
[image]
Definition

1) Androecium

2) Staman (Anther and fillament)

3) Gynecium

4) Carpels (Stigma, style and ovary)

5) Receptacle

6) Pedicel

7) Corolla

8) Petal

9) Callyx

10) Sepals

11) Perianth

Term
[image]
Definition

1) Epigynous (inferior ovary)

2) Perigynous (flower parts AROUND ovary)

3) Hypogynous (Superior ovary)

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