Biology 2 notes from ch 2 clinical significance of pollen grain
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hey!!
^_^
▪A typical stamen has two parts –
the long and slender stalk called the filament,
and the terminal generally bilobed structure called the anther.
The proximal end of the filament is attached to the thalamus or the petal of the flower.
The number and length of stamens are variable in flowers of different species.
A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are
The anther is a four-sided (tetragonal) structure consisting of four microsporangia located at the corners, two in each lobe. tetrasporangiate.
The microsporangia develop further and become pollen sacs.
hope help u
They extend longitudinally all through the length of an anther and are packed with pollen grains.
^_^
▪A typical stamen has two parts –
the long and slender stalk called the filament,
and the terminal generally bilobed structure called the anther.
The proximal end of the filament is attached to the thalamus or the petal of the flower.
The number and length of stamens are variable in flowers of different species.
A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are
The anther is a four-sided (tetragonal) structure consisting of four microsporangia located at the corners, two in each lobe. tetrasporangiate.
The microsporangia develop further and become pollen sacs.
hope help u
They extend longitudinally all through the length of an anther and are packed with pollen grains.
Answered by
13
hye!
____
↪Stamen consists of long and slender stalk called filament and generally bilobed anthers. Each lobe contains two dithecious.
↪ The anther is four sided structure consisting of four microsporangia two in each lobes.
↪ Microsporangia develop further and become pollen sacs which contain pollen grains.
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