
1) Cover 2) Covering 3) Indument 4) Natural covering
Found on
https://www.crosswordclues.com/clue/indumentum

1) Indument
Found on
https://www.crosswordclues.com/clue/indumentum

any surface covering, e.g. hairs, scales; a collective term for such coverings.
Found on
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

In biology, an indumentum (Latin, literally: `garment`) is a covering of trichomes (fine `hairs`) on a plant or of bristles (rarely scales) of an insect.{fact|date=March 2013} In plants, indumentum types include: The indumentum on plants can have a wide variety of functions, including as anchorage in climbing plants (e.g., Galium aparine), in ...
Found on
http://en.wikipedia.org/wiki/Indumentum

the type of hairiness commonly found on external parts of plants. cf. vestiture
Found on
http://florabase.dpaw.wa.gov.au/help/glossary

covering of hair or scales
Found on
http://orchidfetish.com/glossary.html

total body covering of hair, fur or feathers
Found on
http://phrontistery.info/i.html

(from the article `Euphorbiales`) ...leaf blades may be entire, toothed, lobed, or palmately compound. The shieldlike leaves of Macaranga gigantea are among the largest simple leaves ...
Found on
http://www.britannica.com/eb/a-z/i/19

The epidermal appendages (for example hairs or scales), collectively. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

A covering of hair.
Found on
http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

covering of hair or scales
Found on
http://www.orchidspecies.com/glossary.htm

a dense, hairy covering.
Found on
https://www.infoplease.com/dictionary/indumentum
No exact match found.