A flower cluster that continuously grows along a central axis
Down
1D
Three-letter code for a European microstate ∥ Battery size [City where one of the Tokyo 2020 tennis mixed doubles gold medalist, Anastasia Pavlyuchenkova, was born]
2D
Jean-___ Picard of Star Trek ∥ Suffix for meth and prop [Fish commonly known as sand eel]
3D
Diminutive for "mother" in Scotland ∥ British spelling for the suffix used to form verbs from nouns and adjectives [Bad air in an obsolete theory, in French]