Question

Trichomes types

Answer 1

The trichomes are classified into two categories. They are the;

1. Non-glandular trichomes
2. Glandular trichomes.

Non-glandular trichomes: These are of two types;

1. Unicellular trichomes: It is a simple epidermal elongation which is straight or curved.
2. Multicellular trichomes: It is branched or unbranched in a single to several rows of cells.

Glandular trichomes: These are of two types

1. Unicellular
2. Multicellular

The Glandular trichomes secrete a sticky substances it includes both the unicellular and multicellular trichomes. The simplest glandular trichomes are the stigmatic papillae.