Q. 84.6( 12 Votes )

Take one flower each of the families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagram after studying them.

Answer :

FabaceaeThis family was earlier called Papilonoideae, a subfamily of family Leguminosae. It is distributed all over the world.Vegetative CharactersTrees, shrubs, herbs; root with root nodulesStemerect or climberLeavesalternate, pinnately compound or simple; leaf base, pulvinate; stipulate; venation reticulate.Floral charactersInflorescenceracemoseFlowerbisexual, zygomorphicCalyxsepals five, gamosepalous; imbricate aestivationCorollapetals five, polypetalous, papilionaceous, consisting of a posterior standard, two lateral wings, two anterior ones forming a keel (enclosing stamens and pistil), vexillary aestivationAndroeciumten, diadelphous, anther dithecousGynoeciumovary superior, mono carpellary, unilocular with many ovules, style singleFruitlegume; seedone to many, non-endospermicFloral Formula
SolanaceaeIt is a large family, commonly called as the 'potato family'. It is widely distributed in tropics, subtropics and even temperate zones.Vegetative CharactersPlants mostly, herbs, shrubs and small treesStemherbaceous rarely woody, aerial; erect, cylindrical, branched, solid or hollow, hairy or glabrous, underground stem in potato (Solanum tuberosum)Leavesalternate, simple, rarely pinnately compound, exstipulate; venation reticulateFloral CharactersInflorescenceSolitary, axillary or cymose as in SolanumFlowerbisexual, actinomorphicCalyxsepals five, united, persistent, valvate aestivationCorollapetals five, united; valvate aestivationAndroeciumstamens five, epipetalousGynoeciumbicarpellary, syncarpous; ovary superior, bilocular, placenta swollen with many ovulesFruitsberry or capsuleSeedsmany, endospermousFloral Formula
 

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