Verticillaster inflorescence occurs in:a)Solanaceaeb)Cruciferaec)Fabaceaed)LabiataeCorrect answer is option 'D'. Can you explain this answer?

Question

Answer

Verticillaster inflorescence occurs in family Lamiaceae or Labiatae where stems are generally quadrangular, e.g., Ocimum sanctum (Sacred Basil, vern. Tulsi), Ocimum basilicum (Sweet Basil, vern. Niazbo), Salvia, Coleus.

Answer

Answer

Yes, option D ... direct answer

Answer

Verticillaster type of inflorescence is present in labiatae or lamiaceae family example of which is ocimum(tulsi) and salvia...

Answer

Verticillaster Inflorescence in Labiatae (Lamiaceae)

Verticillaster inflorescence is a characteristic feature of the family Lamiaceae, formerly known as Labiatae. This type of inflorescence is unique to this family and is commonly found in plants like mint, basil, sage, and lavender.

Definition of Verticillaster Inflorescence

Verticillaster inflorescence is a condensed, spike-like arrangement of flowers in which the main axis is elongated and bears pairs of flowers at the nodes, with each pair subtended by a bract. The pairs of flowers are arranged opposite to each other, forming a whorl-like structure. The inflorescence appears as a false whorl due to the arrangement of flowers in opposite pairs.

Structure of Verticillaster Inflorescence

Each verticillaster consists of two opposite cymes, with each cyme consisting of two flowers. The flowers within each cyme are arranged in an acropetal manner, with the lower flower being the older one and the upper flower being the younger one.

The arrangement of flowers in verticillasters gives the inflorescence a compact and cylindrical appearance. The bracts subtending each pair of flowers are often colored and can be used for identification purposes.

Function of Verticillaster Inflorescence

The verticillaster inflorescence allows for efficient pollination and cross-pollination. The close arrangement of flowers ensures that pollinators, such as bees and butterflies, can easily access multiple flowers within a short distance.

The compact structure of the inflorescence also helps in protecting the flowers from environmental factors such as wind and rain. The bracts subtending the flowers provide additional support and protection.

Occurrence of Verticillaster Inflorescence

Verticillaster inflorescence is characteristic of the family Lamiaceae (formerly known as Labiatae). This family includes many economically important plants, such as mint, basil, sage, and lavender. These plants often have aromatic leaves and flowers, and they are widely cultivated for their culinary, medicinal, and ornamental uses.

Conclusion

In conclusion, verticillaster inflorescence is a unique feature of the family Lamiaceae. This type of inflorescence is characterized by the arrangement of flowers in opposite pairs, forming a whorl-like structure. The compact and cylindrical shape of the inflorescence allows for efficient pollination and protects the flowers from environmental factors. Plants belonging to the family Lamiaceae, such as mint and lavender, commonly exhibit this type of inflorescence.

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