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Umbellularia californica (Hook. &. Arn. ) Nutt.
California laurel; Oregon myrtlewood

Life   Plantae   Dicotyledoneae   Lauraceae   Umbellularia

Click on map for details about points.


Associates · map
FamilyScientific name @ source (records)
Achilidae  Synecdoche autumnalis @ UCR_ENT (1)
Aleyrodidae  Bemisia berbericola @ CSCA_TCN (7)

Bemisia tabaci @ CSCA_TCN (1)

Dialeurodes citri @ CSCA_TCN (1)

Tetraleurodes errans @ CSCA_TCN (12)

Tetraleurodes mori @ CSCA_TCN (9)
Amphisphaeriaceae  Pestalotia coryneoidea @ BPI (1)
Aphelinidae  Encarsia @ UCRC_ENT (25)
Aphididae  Euthoracaphis umbellulariae @ AMNH_PBI (31); CSCA_TCN (9)

Myzus ( @ AMNH_PBI (1)
Asterinidae  Asterina anomala @ BPI (2)
Botryosphaeriaceae  Diplodia harknessii @ BPI (1)

Diplodia laurina @ BPI (1)

Phyllosticta maxima @ BPI (1)
Capnodiaceae  Capnodium tuba @ BPI (4)
Chaetothyriaceae  Phaeosaccardinula dematia @ BPI (1)
Chlamydomonadaceae  Sphaerella arbutifoliae @ BPI (1)

Sphaerella umbellulariae @ BPI (2)
Cicadellidae  Ceratagallia ( @ UCR_ENT (11)

Gyponana ( @ UCR_ENT (1)
Coccidae  Ceroplastes sinensis @ CSCA_TCN (9)

Pulvinaria floccifera @ CSCA_TCN (1)

Saissetia oleae @ CSCA_TCN (2)
Coniophoraceae  Coniophora byssoidea @ BPI (1)
Diaspididae  Aonidiella aurantii @ CSCA_TCN (2)

Aspidaspis arctostaphyli @ CSCA_TCN (1)

Aspidiotus nerii @ CSCA_TCN (1)

Dynaspidiotus britannicus @ CSCA_TCN (1)
Diatrypaceae  Diatrypella verruciformis @ BPI (1)
Dothioraceae  Kabatiella phoradendri @ BPI (1)
Glomerellaceae  Colletotrichum gloeosporioides @ BPI (1)

Glomerella cingulata @ BPI (1)
Helotiaceae  Cyathicula cyathoidea @ BPI (3)
Hyaloscyphaceae  Belonidium parksii @ BPI (1)
Hydnaceae  Hydnum ochraceum @ BPI (1)
Hysteriaceae  Hysterium pulicare @ BPI (1)
Marasmiaceae  Armillaria mellea @ BPI (1)
Massariaceae  Massaria pulchra @ BPI (5)
Meruliaceae  Merulius confluens @ BPI (2)
Mycosphaerellaceae  Didymella fallax @ BPI (1)

Mycosphaerella arbuticola @ BPI (9)

Mycosphaerella umbellulariae @ BPI (7)
Mymaridae  Alaptus @ UCRC_ENT (58)

Anagrus @ UCRC_ENT (3)
Nectriaceae  Nectria cinnabarina @ BPI (1)

Nectria coccinea @ BPI (3)

Nectria peziza @ BPI (1)

Nectria umbellulariae @ BPI (1)
Orbiliaceae  Orbilia epipora @ BPI (1)

Orbilia leucostigma @ BPI (1)
Patellariaceae  Patellaria atrata @ BPI (1)
Phacidiaceae  Ceuthospora foliicola @ BPI (1)

Ceuthospora @ BPI (1)
Phaeosphaeriaceae  Leptosphaeria odora @ BPI (2)
Pluteaceae  Pluteus cervinus @ BPI (1)
Polyporaceae  Fomes applanatus @ BPI (5)

Fomes brownii @ BPI (1)

Fomes fomentarius @ BPI (1)

Lenzites betulina @ BPI (2)

Polyporus caesius @ BPI (1)

Polyporus versicolor @ BPI (3)

Polyporus @ BPI (1)

Poria ambigua @ BPI (5)

Poria deformis @ BPI (1)

Poria ferrea @ BPI (1)

Poria ferruginosa @ BPI (3)

Poria mucida @ BPI (2)

Poria versipora @ BPI (1)

Poria @ BPI (2)
Reduviidae  Leogorrus litura @ AMNH_PBI (1)

Leogorrus @ AMNH_PBI (3)

Phymata @ AMNH_PBI (27)
Schizophyllaceae  Schizophyllum commune @ BPI (1)
Steccherinaceae  Irpex lacteus @ BPI (1)
Stereaceae  Stereum albobadium @ BPI (1)

Stereum cinerascens @ BPI (2)

Stereum heterosporum @ BPI (2)
Stictidaceae  Stictis radiata @ BPI (4)
Trichiaceae  Trichia contorta @ BPI (1)
Tricholomataceae  Helotium citrinum @ BPI (2)
Valsaceae  Valsa americana @ BPI (2)
Xylariaceae  Daldinia concentrica @ BPI (3)

Hypoxylon deustum @ BPI (1)

Hypoxylon sassafras @ BPI (7)

Rosellinia aquila @ BPI (1)

Rosellinia corticium @ BPI (1)

Sphaeria odora @ BPI (1)

Sphaeria oreodaphnes @ BPI (1)
_  Blennoria umbellulariae @ BPI (1)

Chaetasbolisia falcata @ BPI (2)

Creonectria purpurea @ BPI (2)

Cyclodomus umbellulariae @ BPI (4)

Cytosporella @ BPI (1)

Epochnium glaucum @ BPI (1)

Grandinia @ BPI (1)

Lauritrioza alacris @ CSCA_TCN (10)

Midotis plicata @ BPI (1)

Morfea tuba @ BPI (1)

Vertixore atronitidum @ 691054B (1); 691054A (1)

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https://plants.usda.gov/java/profile?symbol=UMCA ---> http://plants.usda.gov/core/profile?symbol=UMCA
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Umbellularia californica (Hook. & Arn.) Nutt.
California laurel

Image of Umbellularia californica

General Information
Symbol: UMCA
Group: Dicot
Family: Lauraceae
Duration: Perennial
Growth Habit : Shrub
Native Status : L48   N
Plant Guide (pdf) (doc)
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Umbellularia thumbnails at the Plants Gallery

©J.S. Peterson. USDA NRCS National Plant Data Center (NPDC). United States, CA, Davis, University of California Davis Arboretum. February 4, 2002. Usage Requirements .

©J.S. Peterson. USDA NRCS National Plant Data Center (NPDC). United States, CA, Davis, University of California Davis Arboretum. February 4, 2002. Usage Requirements .

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, CA. Usage Requirements .

©Mark W. Skinner. United States, CA, Alameda Co., Huckleberry Preserve. March 25, 1990. Usage Requirements .

John D. Guthrie. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, OR. 1924. Usage Requirements .

E.H. Morton. Provided by National Agricultural Library . Originally from USDA Forest Service . United States, OR. 1927. Usage Requirements .

Provided by National Agricultural Library . Originally from USDA Forest Service . United States, OR. 1966. Usage Requirements .

Provided by National Agricultural Library . Originally from USDA Forest Service . United States, OR. 1966. Usage Requirements .

©Mark W. Skinner. United States, CA, Napa Co., Carneros Creek. June 13, 1996. Usage Requirements .

©Mark W. Skinner. United States, CA, Napa Co., Carneros Creek. June 13, 1996. Usage Requirements .

©Mark W. Skinner. United States, CA, Napa Co., Carneros Creek. June 13, 1996. Usage Requirements .

©Gary A. Monroe. United States, OR, Coos Co. 1975. Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Magnoliidae
Order Laurales
Family Lauraceae – Laurel family
Genus Umbellularia (Nees) Nutt. – California laurel
Species Umbellularia californica (Hook. & Arn.) Nutt. – California laurel

Subordinate Taxa

The Plants Database includes the following 2 subspecies of Umbellularia californica . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Umbellularia californica</i>
(Hook. & Arn.) Nutt. var. <i>
californica </i>
Umbellularia californica var. californica
California laurel Distribution of <i>
Umbellularia californica</i>
(Hook. & Arn.) Nutt. var. <i>
Umbellularia californica var. fresnensis
California laurel

Legal Status

Wetland Status

Interpreting Wetland Status

North America
Arid West FAC
Western Mountains, Valleys, and Coast FAC

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (UMCA)
CalPhotos (UMCA)
Flora of North America (UMCA)
Integrated Taxonomic Information System (UMCA)
Jepson Interchange (University of California - Berkeley) (UMCA)
Lady Bird Johnson Wildflower Center Native Plant Information Network (UMCA)
Native American Ethnobotany (University of Michigan - Dearborn) (UMCA)
Native Plants Network (UMCA)
USDA Forest Service Fire Effects Information System (UMCA)
Related Websites
Arboles Ornamentales (UMCA)
CA-California Native Plant Link Exchange (UMCA)
CA-Jepson Flora Project (UMCA)
CA-Paleotechnics (UMCA)
CA-University of California College of Natural Resources (UMCA)
Henriettes Herbal Homepage (UMCA)
OR-Landscape Plants (OSU Horticulture) (UMCA)
OR-Trees of Reed (UMCA)
UK-Plants For A Future (UMCA)
USDA FS-Center for Wood Anatomy Research (UMCA)
USDA FS-Woody Plant Seed Manual (UMCA)
USDA Forest Service-Silvics of North America (UMCA)
VA-Virginia Tech Dendrology (UMCA)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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FNA | Family List | FNA Vol. 3 | Lauraceae | Umbellularia

1. Umbellularia californica (Hooker & Arnott) Nuttall, N. Amer. Sylv. 1: 87. 1842.

California bay, Oregon-myrtle, myrtle-wood, California laurel, pepperwood

Tetranthera californica Hooker & Arnott, Bot. Beechey Voy., 159. 1833

Trees or shrubs , to 45 m; twigs terete, glabrous or sparsely appressed-pubescent, rarely minutely tomentose. Leaf blade deep yellow-green, shiny, narrowly oblong or narrowly elliptic, 3-10 × 1.5-3 cm, base acute or obtuse, apex acute; surfaces abaxially glabrous, sparsely appressed-pubescent or minutely tomentose, adaxially glabrous; domatia absent. Inflorescences pubescent. Flowers 5-10; tepals 6-8 mm. Drupe usually solitary, 2 cm or more diam. 2 n =24.

Varieties 2: w coast, North America.

Native Americans used Umbellularia californica for medicinal purposes and occasionally as an insecticide (D. E. Moerman 1986).

Updated: 2020-08-09 14:36:28 gmt
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