| Arctostaphylos virgata | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Ericaceae |
| Genus: | Arctostaphylos |
| Species: | A. virgata |
| Binomial name | |
| Arctostaphylos virgata | |
Arctostaphylos virgata is a species of manzanita known by the common names Bolinas manzanita and Marin manzanita.
It is endemic to Marin County, California, where it is known from only about 20 occurrences in the forests and chaparral of the coastal hills. It is a dominant shrub in some spots in the maritime chaparral plant community at Point Reyes National Seashore. [2] Like many other species in this type of plant community, it is dependent on wildfire and its survival is threatened by fire suppression.
Arctostaphylos virgata is a large shrub, reaching at least two meters tall and known to exceed 5 meters in height, becoming treelike. Its twisted branches are covered in deep red bark. The smaller twigs are coated in woolly fibers and studded with glandular bristles which exude sticky resins. The shiny green leaves are rough and sticky in texture, oval to widely lance-shaped, and up to 5 centimeters long. The inflorescence is a dense cluster of urn-shaped manzanita flowers. The fruit is a sticky, bristly drupe about 7 centimeters wide.
Arctostaphylos viscida, with the common names whiteleaf manzanita and sticky manzanita, is a species of manzanita.
Arctostaphylos glauca is a species of manzanita known by the common name bigberry manzanita. It is native to California and Baja California, where it grows in the chaparral and woodland of coastal and inland hills.
Arctostaphylos bakeri is a species of manzanita known by the common name Baker's manzanita. It is endemic to Sonoma County, California, where it grows in the chaparral and woodlands of the North Coast Ranges. It is sometimes a member of the serpentine soils flora.
Arctostaphylos canescens, common name hoary manzanita, is a species of manzanita.
Arctostaphylos densiflora, known by the common name Vine Hill manzanita, is a very rare species of manzanita. It is endemic to Sonoma County, California, where it is known from only one extant population of 20 to 30 individual plants. These last wild members of the species are on land near Sebastopol which is owned and protected by the California Native Plant Society. In addition, there are five to ten plants of this manzanita taxon growing on private property about a mile away. The local habitat is mostly chaparral on sandy shale soils.
Arctostaphylos glutinosa is a species of manzanita known by the common name Schreiber's manzanita. It is endemic to Santa Cruz County, California, where it is known from only a few occurrences on the western slopes of the Santa Cruz Mountains. It grows in the chaparral of the limestone and diatomaceous shale ridges on the coastline.
Arctostaphylos imbricata is a species of manzanita known by the common name San Bruno Mountain manzanita.
Arctostaphylos malloryi is a species of manzanita known by the common name Mallory's manzanita. It is endemic to California.
Arctostaphylos mewukka is a species of manzanita known by the common name Indian manzanita.
Arctostaphylos myrtifolia is a rare species of manzanita known by the common name Ione manzanita. It is endemic to the Sierra Nevada foothills of California. It grows in the chaparral and woodland plant community on a distinctive acidic soil series in western Amador and Calaveras Counties. There are only about 17 occurrences, but the plant is abundant in some areas of its limited range. This is a federally listed threatened species.
Arctostaphylos nevadensis, with the common name pinemat manzanita, is a species of manzanita.
Arctostaphylos nissenana is a species of manzanita known by the common name Nissenan manzanita. It is endemic to California, where it grows in the woodlands and chaparral of the Sierra Nevada foothills, mostly in El Dorado County.
Arctostaphylos pajaroensis is a species of manzanita known by the common name Pajaro manzanita. It is endemic to California, where it is known mainly from Monterey County.
Arctostaphylos pechoensis is a species of manzanita known by the common name Pecho manzanita. It is endemic to California, where it is known only from the Pecho Hills southwest of San Luis Obispo in San Luis Obispo County, California.
Arctostaphylos refugioensis is a species of manzanita, known by the common name Refugio manzanita. It is endemic to Santa Barbara County, California, where it can be found along the immediate coastline, including the vicinity of Refugio State Beach, and into the Santa Ynez Mountains of the northwestern Transverse Ranges.
Arctostaphylos regismontana is a species of manzanita known by the common name Kings Mountain manzanita. It is endemic to California, where it is known from the northern slopes of the Santa Cruz Mountains in the southern San Francisco Bay Area.
Arctostaphylos rudis, with the common names Shagbark manzanita and Sand mesa manzanita, is a species of manzanita.
Arctostaphylos silvicola is a species of manzanita known by the common names Bonny Doon or silverleaf manzanita. It is endemic to the sandhills of the southern Santa Cruz Mountains in California's Santa Cruz and Santa Clara counties.
Arctostaphylos rainbowensis is a species of manzanita known by the common name Rainbow manzanita. It is endemic to California, where it is known only from northern San Diego and southern Riverside Counties in the Peninsular Ranges.
Arctostaphylos gabilanensis is a rare species of manzanita known by the common name Gabilan manzanita.
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