A small hair or other outgrowth from the epidermis of a plant, typically unicellular and glandular.
- ‘Most labiates have glandular trichomes that emerge from the epidermal surface of their leaves, stems and reproductive structures.’
- ‘Moreover, the composition of exudates produced by glandular trichomes may change with leaf age.’
- ‘Nectar is secreted by glandular trichomes distributed over the internal surface of the corolla.’
- ‘The adaxial and abaxial surfaces of the investigated leaves of Styrian oil pumpkin showed numerous glandular trichomes and bristle hairs.’
- ‘The majority of flowering plants produce multicellular trichomes.’
Late 19th century: from Greek trikhōma, from trikhoun ‘cover with hair’.
We take a look at several popular, though confusing, punctuation marks.