The leaves smell fragrant and remind me of the rain.
On Quercus agrifolia. Phytomyza sp?
See ‘outer receptacle rim 0.5–5 mm’ (Photo 02). C. caespitosa would be differentiated by an ‘outer receptacle rim 0–0.3 mm’.
Sitting comfortably in dry poor nutrient soil. A vibrant purple fuzzy leaf aromatic hard to overlook
With Heteroecus galls.