The given floral diagram can be of:

1. Asparagus

2. Atropa belladonna

3. Mustard

4. Indigofera

The family containing mustard and its main characters are

(1) Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit.

(2) Brassicaceae - Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit

(3) Solanaceae - Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit

(4) Poaceae - Trimerous flowers, three stemens, monocarpellary gynoecium, caryopsis type of fruit

Tetradynamous condition is found in

(1) Hibiscus rosa-sinesis

(2) Ocimum sanctum

(3) Helianthus annuus

(4) Brassica campestris

The floral formula  represents

(1) Solanum nigrum

(2) Hibiscus rosa-sinensis

(3) Citrus aurantum

(4) Brassica campestirs

indicate:

1. Epigymous and hypogynous flowers
2. Superior ovary and inferior ovary
3. Presence and absence of gynoecium
4. Fused and free gynoecium