Of parts of a plant (especially leaves): forming a rosette; arranged like the petals of a rose. Also (of a plant): having leaves arranged in this pattern.
Origin
Early 19th century. From post-classical Latin rosula little rose + -ate.
Definition of rosulate in US English:
rosulate
adjectiveˈrɒzjʊlət
Botany
Of parts of a plant (especially leaves): forming a rosette; arranged like the petals of a rose. Also (of a plant): having leaves arranged in this pattern.
Origin
Early 19th century. From post-classical Latin rosula little rose + -ate.