little leaf
/ˈlɪtl liːf/noun
1 Botany = leaflet. Now rare.
2Chiefly US. A plant condition characterized by reduced leaf size; especially (a) a condition of fruit trees caused by zinc deficiency; (b) (more fully littleleaf disease) a fungal infection of pine trees.
adjective
Attributive (usually with hyphen). = small-leaved.
Origin
Late 18th century; earliest use found in James Jenkinson (?1739–1808). From little + leaf, in sense A. 1 after post-classical Latin foliolum foliole.