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Question : Describe Datura metel in botanical terms.

Answer»

Solution :Datura metel in botanical terms:
1. Habit: Large, erect and stout herb.
2. Root: Branched tap root system.
3. Stem: Stem is hollow, green and herbaceouswith strong odour.
4. Leaf: Simple, ALTERNATE, petiolate, entire or deeply lobed, glabrous exstipulate showingunicostate reticulate venation.
5. Inflorescence: Solitary and axillary cyme.
6. Flower: Flowers are large, greenish white , bracteate, bracteolate, pedicellate, complete, heterochlamydeous, pentamerous, regular actinomorphic, bisexual and ypogynous.
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 haped with wide mouth and 10 lobed.
9. Androecium: Stamens 5, free from one another, EPIPETALOUS, altemipetalous 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.
11. Fruit : Spinescent capsule opening by four apical valves with persistent calyx.
12. Seed : Endospermous.
13. Floral Formula :


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