Home
Class 11
BIOLOGY
Explain Datura metal in botanical terms....

Explain Datura metal in botanical terms. draw floral diagram

Text Solution

Verified by Experts

1. Habit: Large, erect and stout herb.
2. Root: Branched tap root system.
3. Stem: Stem is hollow, green and herbaceous with strong odour.
4. Leaf: Simple, alternate, petiolate, entire or deeply lobed, glabrous exstipulate showing unicostate reticulate venation.
5. Inflorescence: Solitary and axillary cyme.
6. Flower: Flowers are large, greenish white, bracteate, ebracteolate, pedicellate, complete, heterochlamydeous, pentamerous, regular, actinomorphic, bisexual and hypogynous.

7. Calyx: Sepals 5, green synsepalous showing valvate aestivation. Calyx is mostly persistant, odd sepal is posterior in position.
8. Corolla: Petals 5, greenish white, sympetalous, plicate (folded like a fan) showing twisted aestivation, funnel shaped with wide mouth and 10 lobed.
9. Androecium: Stamens 5, free from one another, epipetalous, alternipetalous and are inserted in the middle of the corolla tube. Anthers are basifixed, dithecous, with long filament, introse and longitudinally dehiscent.
10. Gynoecium: Ovary bicarpellary, syncarpous superior ovary, basically bilocular but tetralocular due to the formation of false septum. Carpels are obliquely placed and ovules on swollen axile placentation. Style simple long and filiform, stigma two lobed.
11. Fruit: Spinescent capsule opening by four special valves with persistent calyx.
12. Seed: Endospermous
13. Floral Formula:
Promotional Banner

Topper's Solved these Questions

  • TAXONOMY AND SYSTEMATIC BOTANY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Higher Order Thinking Skills (HOTS))|6 Videos
  • TAXONOMY AND SYSTEMATIC BOTANY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Short Answer Type Questions )|22 Videos
  • SECONDARY GROWTH

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs)|5 Videos
  • THE LIVING WORLD

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Short Answer Questions)|34 Videos

Similar Questions

Explore conceptually related problems

Describe Datura metel in botanical terms.

Define a floral diagram.

Describe Allium cepa in botanical terms.

Write short notes on floral diagram

Describe the salient features of floral diagram.

Take one flower each of families Fabaceae and Solanaceae and write its semitechnical description. Also draw their floral diagrams after studying them.