Arctostaphylos catalinae

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Santa Catalina Island manzanita
Arctostaphylos catalinae RPBG.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Genus: Arctostaphylos
Species:
A. catalinae
Binomial name
Arctostaphylos catalinae
P.V. Wells
Arctostaphylos catalinae fruit Arctocatalinae-fruit.jpg
Arctostaphylos catalinae fruit

Arctostaphylos catalinae, known by the common name Santa Catalina Island manzanita, is a species of manzanita native to Southern California. The evergreen shrub is found growing naturally only on Catalina and Santa Cruz Islands on the coast ridges. It thrives in maritime chaparral and can be used in coastal gardens. [2]

Contents

Distribution and habitat

The plant is endemic to Santa Catalina Island, one of the southern Channel Islands of California. [1]

The plant grows in maritime chaparral habitats, on the ridges of Catalina Island [3] at elevations from 1150 to 1500 ft (350 to 460 m). [4]

Description

Arctostaphylos catalinae is a shrub usually exceeding 2 metres (6.6 ft) in height, sometimes taking a treelike form up to 5 metres (16 ft) tall. It is glandular and covered in white bristles. [3]

The leaves also have fine bristles. The dull, light green blades are up to 5 centimeters long by 3 wide. [3]

The bloom period is from February to April [4] with white, pink flowers. [2] The flowers are borne in an open, branching inflorescence with leaflike bracts. [3]

The fruit is a spherical drupe up to 1.5 centimeters wide. [3]

Ecology

Arctostaphylos catalinae beneficials include hummingbirds (nectar) and insects. [4]

A primary threat to Arctostaphylos catalinae included feral goats. The goats were removed in 2001 and since then the plant has been actively recovering. [5]

Unlike other manzanita species, this one lacks a basal burl. Without the ability to sprout from a basal burl after a fire, it uses seed germination for regeneration. [2]

Cultivation and uses

The Santa Catalina Island manzanita can be used as an ornamental shrub in gardens. It requires full sun, very low water, and is adaptable to different soil conditions. [2]

See also

Related Research Articles

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References

  1. 1 2 Carrero, C. (2022). "Arctostaphylos catalinae". The IUCN Red List of Threatened Species 2022: e.T37563A183450922. doi:10.2305/IUCN.UK.2022-2.RLTS.T37563A183450922.en . Retrieved 30 November 2024.
  2. 1 2 3 4 Calscape. "Santa Catalina Island Manzanita". calscape.org. Retrieved 2024-12-02.
  3. 1 2 3 4 5 Arctostaphylos catalinae. The Jepson Manual.
  4. 1 2 3 "Arctostaphylos catalinae Calflora". www.calflora.org. Retrieved 2024-12-02.
  5. ↑ "CPC Plant Profile: Santa Catalina Island Manzanita". saveplants.org. Retrieved 2024-12-02.
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