podostemaceous
/ˌpɒdə(ʊ)stɪˈmeɪʃəs/Botany
adjective
Of or relating to the large family of aquatic herbs Podostemaceae, which occur mainly in the tropics where they are found in swiftly flowing rivers, attached to rocks by disk-like processes.
Origin
Early 20th century; earliest use found in The New English Dictionary. From Podostemum + -aceous, after scientific Latin Podostemaceae, family name.