Indumentum
In biology, an indumentum is a covering of trichomes on a plant or of bristles of an insect.
Image:EchiumVulgare-stengel-hr.jpg|thumb|Indumentum of Echium vulgare
File:Nepenthes chaniana 5.jpg|thumb|Caducous hairs on a developing pitcher of ''Nepenthes chaniana''
Plants
The indumentum on plants can have a wide variety of functions, including as anchorage in climbing plants, in transpiration control, in water absorption, the reflection of solar radiation, increasing water-repellency, in protection against insect predation, and in the trapping of insects. Plant indumentum types include- hirsute
- lanate
- pilose
- pubescent
- scabrous
- scurfy
- stellate
- tomentose
- villous
Insects