Ceanothus foliosus var. medius
Ceanothus, 222. 1942.
Shrubs, 1–2 m. Stems ascending to erect. Leaf-blades ± folded lengthwise, margins glandular-denticulate, wavy, abaxial surface pale green, moderately to densely villosulous.
Phenology: Flowering Feb–May.
Habitat: Rocky soils, chaparral, mixed evergreen and conifer forests.
Elevation: 100–1500 m.
Variety medius appears restricted to the Santa Lucia Mountains and La Panza Range of Monterey and San Luis Obispo counties, with disjunct populations in the Cuyamaca Mountains of San Diego County.
"thin" is not a number.