Definition of pistillary in English:

pistillary

Pronunciation /ˈpɪstɪl(ə)ri/ /ˈpɪst(ə)l(ə)ri/

adjective

Botany

Origin

Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist. From either pistillum or pistil + -ary.