Arctostaphylos pilosula
Species of flowering plant
| Arctostaphylos pilosula | |
|---|---|
 | |
Conservation status | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Ericaceae |
| Genus: | Arctostaphylos |
| Species: | A. pilosula |
| Binomial name | |
| Arctostaphylos pilosula Jeps. & Wies. ex Jeps. | |
Arctostaphylos pilosula is a species of manzanita, known by the common names La Panza manzanita and Santa Margarita manzanita, that is endemic to California.[2][3]
Its common names comes from populations on the La Panza Range, near the town of Santa Margarita.[2]
Distribution
The plant is endemic San Luis Obispo County, found in three areas: the La Panza Range, the east slope of the Santa Lucia Mountains near Atascadero, and in the San Luis Range near Pismo Beach.[2]
It grows in chaparral and closed-cone pine forest habitatss, on shale and sandstone outcrops and slopes. It is found at elevations of 30–1,250 metres (98–4,101 ft).[2][3]
Description
Arctostaphylos pilosula is an erect and bristly shrub growing 1–5 metres (3.3–16.4 ft) in height.[2][3]
The leaves are a round, oval shape and dull and hairless in texture. They grow up to 3 centimetres (1.2 in) long.[3]
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.[3]
The fruit is a reddish-brown drupe about a centimeter wide, that ripen in the summer.[3]
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
- ^ "NatureServe Explorer 2.0".
- ^ 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.
- ^ 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
- USDA Plants Profile for Arctostaphylos pilosula (La Panza manzanita)
- UC Photos gallery — Arctostaphylos pilosula
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Extant Arbutoideae subfamily species
- Arctous alpina
- Arctous rubra
- Comarostaphylis arbutoides
- Comarostaphylis discolor
- Comarostaphylis diversifolia
- Comarostaphylis glaucescens
- Comarostaphylis lanata
- Comarostaphylis longifolia
- Comarostaphylis mucronata
- Comarostaphylis polifolia
- Comarostaphylis sharpii
- Comarostaphylis spinulosa
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