Arctostaphylos montana subsp. ravenii
Madroño 54: 150. 2007,.
Shrubs prostrate, 0.1–0.5 m; young twigs gray-tomentose. Leaf-blades orbiculate-elliptic, 1–2.2 × 1–1.5 cm. Fruits 4–5 mm diam. 2n = 52.
Phenology: Flowering early–late spring.
Habitat: Maritime chaparral, coastal prairie on serpentine soils
Elevation: 0-100 m
Of conservation concern.
Subspecies ravenii occurs near the coast in San Francisco County. The relationship of this taxon is problematic; only one living individual is known from the wild. It is in the Center for Plant Conservation’s National Collection of Endangered Plants as Arctostaphylos hookeri subsp. ravenii.
"entire" is not a number.