familyEricaceae
subfamilyEricaceae subfam. Arbutoideae
genusArctostaphylos
speciesArctostaphylos montana
subspeciesArctostaphylos montana subsp. ravenii
Arctostaphylos montana subsp. ravenii
Madroño 54: 150. 2007,.
Common names: Presidio manzanita
Basionym: Arctostaphylos hookeri subsp. ravenii P. V. Wells Madroño 19: 200. 1968
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
Discussion
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.
Selected References
None.
Lower Taxa
None.