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Vinegarweed
( Trichostema lanceolatum )
Trichostema lanceolatum
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
Click on blue squares to see occurrence records.
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3 Nurseries Carry This Plant
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About Vinegarweed (Trichostema lanceolatum)
3 Nurseries Carry This Plant
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The annual herb of the mint family
Trichostema lanceolatum
is commonly known as vinegar weed because its foliage contains volatile oils that have a strong vinegar odor. Other common names for the plant include terpentine weed and camphor weed. The oils also have phytotoxic properties, which help vinegar weed compete by killing or injuring other plant species. Indians of northern California used the plant as a cold and fever remedy, a pain reliever, and a flea repellent. Vinegar weed is a wildflower bearing striking purple-blue flowers on short green stems. The numerous leaves are juicy and green and are covered in fluffy hairs. The plant is well adapted to its native range in California, where it thrives in dry, nutrient-poor, sun-baked clay soil. In hot weather the vinegar smell of the plant becomes intense as the oils in the tissues permeate the air. The plants of this genus are sometimes called blue curls, but this name may be more associated with the similar, but sweeter smelling, species
Trichostema lanatum
. Vinegar weed is found on the west coast of North America from northern Mexico to southern Canada.
Plant Description
Plant Type
Annual herb
Size
3.3 ft tall
Flower Color
Green, Purple, Blue
Wildlife Supported
Butterflies & moths hosted ( 5
likely
* )
SHOW ALL
*
Variable Checkerspot
Euphydryas chalcedona
Euphydryas chalcedona
*
Rustic Sphinx
Manduca rustica
Manduca rustica
*
Anstenoptilia marmarodactyla
Anstenoptilia marmarodactyla
*
Western Avocado Leafroller Moth
Amorbia cuneana
Amorbia cuneana
*
Stagmatophora iridella
Stagmatophora iridella
Landscaping Information
Sun
Full Sun
Nurseries
Carried by 3
Common uses
Bee Gardens
Sunset Zones
?
7*, 8*, 9*, 10, 14*, 15*, 17, 18*, 19*, 20*, 21*, 22*, 23*, 24*
Natural Setting
Climate
Annual Precipitation: 5.8" - 117.4", Summer Precipitation: 0.12" - 3.43", Coldest Month: 35.4" - 57.2", Hottest Month: 56.1" - 80.6", Humidity: 0.09" - 29.14", Elevation: 15" - 6498"
Alternative Names
Common Names
: Camphor Weed, For The Plant, Terpentine Weed, Vinegar Weed
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Vinegarweed
Trichostema lanceolatum
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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