punctiform
/ˈpʌŋ(k)tɪfɔːm/Chiefly Botany, Zoology, and Medicine
adjective
1Having the form of or resembling a point, puncture, or dot; minute and circular.
2Formed of or having the appearance of a number of points or dots; dotted.
3 Physiology. Of a stimulus or sensation: applied or perceived at a single point.
Origin
Early 19th century; earliest use found in John Hull (1764–1843), physician and botanist. From classical Latin punctum + -iform.