Question

Write about the key characteristics of Solanaceae?

Answer 1

hello ☺


One of the major groups of angiosperms is the nightshade or potato family, Solanaceae, which contains nearly 3,000 species !!!!!!!



thank you

Answer 2

HLO MATE HERE IS UR ANSWER.

❤. VEGETATIVE CHARACTERS ❤

⭐. Habit ⭐

• Mostly annula or perennial herbs .Some are shrub.(Cestrum sps)

⭐.Root system ⭐

• Tap root system.

⭐.Stem ⭐

• It is aerial , erect and mostly herbaceous.
• Stem is an underground tuber in Solanum tuberosum (Potato).
• Bicollateral vascular bundles are present in the stem.

⭐. Leaves ⭐

• Leaves are existipulate, petiolate and show alternate phyllotaxy.
• They are simole or rarely pinnately compound leaf with reticulate venation.

❤. FLORAL CHARACTERS ❤

⭐. Inflorescence ⭐

• It is usually Cymose type.
• It may be terminal or axillary in position.
• In some species of Solanum , it is an axillary.
• In Dature , it is solitary and terminal , panicle in tobacco.

⭐. Flower ⭐

• The flowers are bracteate or ebracteolate , pedicillate, actinomorphic, complete, bisexula, pentamerous, hypogynous.

⭐. Calyx ⭐

• It consists of 5 sepals which are fused (gamosepalous ) and persistent (Capsicum, Solanum ).
• The aestivation is valvate.

⭐.corolla ⭐

• It consists of 5 petals and is gamopetalous .
• The aestivation is valvet or twisted.

⭐. Androecium ⭐

• There are 5 epipetalous stamens alternating with the petals.
• Anthers are dithecous, basifixed and intorse.
• The dehiscence may be longitudnal(Datura) or porous (Solanum).

⭐. Gynoecium ⭐

• The ovary is superior, bicarpellary and syncarpous.
• It is oblique in position due to the tilting of posterior carpel.
• Carpels are arranged obliquely at 45 degree .
• The style is terminal and stigma is capitate.

⭐. Pollination ⭐

• Flowers are usually protandrous.
• But some species of Solanum are protogynous.
• Cross pollination through insects (entomophily) is common.

⭐.Fruit ⭐

• The fruits are mostly berry(Capsicum , solanum, Lycopersicon, Physalis etc.,) .
• Some are capsule (Datura and Nicotina)

⭐. Seed ⭐

• The seeds are endospermic and dicotyledonous