Semi-technical descriptions of flowers of following families are:
Fabaceae
Family - Fabaceae

Vegetative characters
Herb
Leaf: Pinnately compound, alternately arranged with leaf tendrils with the pulvinus present at the leaf base. Venation is reticulate. 
Root: Tap root system with root nodules.

Floral features:
Inflorescence: racemose .
Flower: zygomorphic and bisexual.
Calyx: Sepals which are gamosepalous while aestivation is imbricate.
Corolla: five petals (polypetalous) with vexillary aestivation.
Androecium: ten anthers that are diadelphous with dithecous anthers.
Gynoecium: Monocarpellary superior ovary which is unilocular with marginal   placentation.
Fruit: Legume pod with non-endospermic seeds
Floral formula:


Floral Diagram:

Solanaceae
Solanum lycopersicum (Tomato) 

Family  - Solanaceae
Vegetative characters
Shrub

Stem: herbaceous stem, aerial, erect , branched solid

Leaf: alternate , simple, exstipulate and reticulate venation

Floral features:
Inflorescence: Cymose
Flower: bisexual and actinomorphic.
Calyx:  five sepals, united persistant, valvate aestivation
Corolla: five petals, united, valvate aestivation
Androecium: five stamens, epipetalous
Gynoecium: bicarpellary, syncarpous superior ovary, bilocular, placenta swollen with many ovules
Fruit: berry
Seeds: many endosperms