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Transverse section through an anther of petunia

Legend:

1  pollen sac with pollen grains
3  tapetum
4  vascular bundle
5  connetivum
2  pollen grains

English name: Petunia
Scientific name: Petunia sp.
Familia: Solanaceae
Classis: Dicotyledonas
Phylum: Angiospermae
Regnum: Plantae

Transverse section through an anther of petunia