What is a stamen?
A stamen is defined as male reproductive organ of a staminate flower. (1, 3)
A stamen is a part of a staminate flower. (3)
Small nectaries are found at the base of stamens which provide food of insect and bird pollinators. (4)
What does a stamen look like?
(picture here)
The stamens are arranged in a whorl, collectively known as the androecium. (4)
The stamens can be arranged either spirally or in a whorl. (4)
Stamens are found in the center of the flower along with the stigma, if present. (4)
How many stamens does a flower have?
They can either be one in number or as many as thousands in number. (4)
What does a stamen contain?
anther (1, 3)
filament (2, 3)
stalk(1)
connective (2)
microsporangium(2)
What are types of stamen?
polyandrous (4)
monadelphous (4)
diadelphous (4)
polyadelphous (4)
syngenesious (4)
synadrous (4)
By Adnate (fused or joined from more than one whorl)
epipetalous (5) – adnate to the corolla
epiphyllous (5) – adnate to undifferentiated tepals
By Length
didymous (5) – two equal pairs
didynamous (5) – occurring in two pairs, a long pair, and a shorter pair
tetradynamous (5) – occurring as a set of 6 stamens with four long and two shorter ones
By Respective to the rest of the flower (perianth)
exserted (5) – extending beyond the corolla
included (5) – not extending beyond the corolla
By Pattern Arrangement
Spiral (5)
Whorled (5)
By Petal Arragement
diplostemonous (5)
haplostemenous (5)
obdiplostemonous (5)
Resources
1. https://kids.kiddle.co/Stamen
2. https://kids.kiddle.co/Image:Mature_flower_diagram.svg
3. https://byjus.com/neet/difference-between-staminate-and-pistillate-flowers/
4. https://byjus.com/biology/stamen-parts-types-and-functions/
5 .https://en.wikipedia.org/wiki/Stamen
