Arctostaphylos pilosula
| Arctostaphylos pilosula | |
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| Species: | A. pilosula
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| Binomial name | |
| Arctostaphylos pilosula | |
Arctostaphylos pilosula is a species of manzanita, known by the common names La Panza manzanita and Santa Margarita manzanita, that is endemic to California.[1][2]
Its common names comes from populations on the La Panza Range, near the town of Santa Margarita.[1]
Distribution
The plant is endemic to the La Panza Range and southern Santa Lucia Mountains, in the Central Coast region of California.[1] It is found primarily in San Luis Obispo County.[3] There is one occurrence in southern Monterey County.
It grows in chaparral and closed-cone pine forest habitatss, on shale outcrops and slopes. It is found at elevations of 30–1,250 metres (98–4,101 ft).[1][2]
Description
Arctostaphylos pilosula is an erect and bristly shrub growing 1–5 metres (3.3–16.4 ft) in height.[1][2]
The leaves are a round, oval shape and dull and hairless in texture. They grow up to 3 centimetres (1.2 in) long.[2]
The shrub blooms in spherical white inflorescences of cone-shaped and downward facing "manzanita" flowers, each just under 1 centimetre (0.39 in) long. Its bloom period is December to March.[2]
The fruit is a reddish-brown drupe about a centimeter wide, that ripen in the summer.[2]
Conservation
The species is listed on the California Native Plant Society Inventory of Rare and Endangered Plants as a fairly endangered and vulnerable species.[4]
References
- ^ a b c d e "Field Guide to Manzanitas," Michael Kauffmann, Tom Parker, & Michael Vasey, Backcountry Press, 2015, ISBN 978-1-941624-02-9, page 113.
- ^ a b c d e f V. Thomas Parker, Michael C. Vasey & Jon E. Keeley 2014. Arctostaphylos pilosula, in Jepson Flora Project (eds.) Jepson eFlora. accessed 15 January 2016.
- ^ Calflora: Distribution map
- ^ CNPS, Rare Plant Program. 2016. Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. — Arctostaphylos luciana. accessed 1.16.2016.
External links
- Calflora Database: Arctostaphylos pilosula (La Panza manzanita, Santa Margarita manzanita)
- Jepson Manual eFlora (TJM2) treatment of Arctostaphylos pilosula[permanent dead link]
- USDA Plants Profile for Arctostaphylos pilosula (La Panza manzanita)
- UC Photos gallery — Arctostaphylos pilosula
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