식물의 줄기, 잎, 꽃, 뿌리 등에 나는 털, 비늘, 돌기의 총칭. 식물의 주요성분을 추출할때 모용에 특히 많이 함유되어있음이 밝혀져 주요하게 취급하는 식물기관이다.

[식물의 지상부 털을 표현하는 영문]

• glabrous, glabrate – lacking hairs or trichomes; surface smooth
• hirsute – coarsely hairy
• hispid – having bristly hairs
• downy – having an almost wool-like covering of long hairs
• pilose – pubescent with long, straight, soft, spreading or erect hairs
• puberulent – minutely pubescent; having fine, short, usually curly, hairs
• pubescent – bearing hairs or trichomes of any type
• strigillose – minutely strigose
• strigose – having straight hairs all pointing in more or less the same direction as along a margin or midrib
• tomentellous – minutely tomentose
• tomentose – covered with dense, matted, woolly hairs
• villosulous – minutely villous
• villous – having long, soft hairs, often curved, but not matted