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Flower Anatomy
Various flower parts
23
Biology
Undergraduate 1
01/16/2012

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Term
Peduncle
Definition
Stalk of an inflorescence or solitary flower
Term
Pedicel
Definition
Stalk of an individual flower within an inflorescence
Term
Inflorescence
Definition
Aggregation or cluster of flowers
Term
Sepal
Definition
First whorl of flower; sterile; usually green
Term
Calyx
Definition
All sepals together
Term
Petal
Definition
Second whorl of flower; sterile; usually conspicuously colored
Term
Corolla
Definition
All petals together
Term
Tepal
Definition
Petal and sepal are indistinguishable
Term
Perianth
Definition
Calyx and corolla together
Term
Stamen
Definition
Third whorl of flower; fertile; pollen-bearing; microsporophylls
Term
Anther
Definition
Lobed stucture of stamen containing two pairs of pollen sacs
Term
Filament
Definition
Slender stalk of stamen
Term
Androecium
Definition
All stamens together; male part of flower
Term
Carpel
Definition
Fourth whorl of flower; fertile; ovule-bearing; megasporophylls
Term
Pistil
Definition
Individual carpel or group of fused carpels
Term
Stigma
Definition
Top of carpel; receives pollen
Term
Style
Definition
Middle of carpel; tube in which pollen tubes grow
Term
Ovary
Definition
Bottom of carpel; encloses ovule; develops into fruit
Term
Gynoecium
Definition
All carpels together; female part of flower
Term
Locule
Definition
Chamber of the ovary that contain the ovules
Term
Placenta
Definition
Term
Hypanthium
Definition
Term
Receptacle
Definition
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