In Botany
In botany and mycology, a glabrous morphological feature is smooth, glossy, having no trichomes (bristles or hair-like structures), or glaucousness (see also indumentum). No plants have hair, although some structures may resemble it. Glabrous features may be an important means of identifying flora species. Glabrous characteristics of leaves, stems, and fruit are commonly used in plant keys.
The term is only used for features that lack trichomes at all times. When an organ has trichomes that are lost with age, the term used is glabrescent.
Read more about this topic: Glabrousness
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