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Marah watsonii
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Taw Man-root
( Marah watsonii )
Marah watsonii
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Taw Man-root (Marah watsonii)
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Marah watsonii
, the taw manroot, is an uncommon species in the genus Marah endemic to central northern California. Its range is bounded by the eastern coastal foothills, the western foothills of the northern Sierra Nevada and Cascades ranges and from Lake Berryessa in the south to Lake Shasta in the north. Foliage. Taw manroot shares with all
Marah species
non-twining stems and tendrils. Unlike other manroot species, however,
Marah watsonii
vines are nearly hairless with a glaucous, grey-green color. Vines appear in late winter or early spring in response to increased rainfall, and can climb or scramble to a length of 6 meters (20 ft).
Plant Description
Plant Type
Vine, Perennial herb
Size
19.7 ft tall
Wildlife Supported
Butterflies & moths hosted ( 2
likely
* )
SHOW ALL
*
Wandering Tiger Moth
Spilosoma vestalis
Spilosoma vestalis
*
Eupithecia subapicata
Eupithecia subapicata
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 22.7" - 88.3", Summer Precipitation: 0.29" - 2.13", Coldest Month: 41.2" - 51.7", Hottest Month: 65.0" - 75.9", Humidity: 2.07" - 24.75", Elevation: 145" - 4129"
Alternative Names
Common Names
: Taw Manroot
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Taw Man-root
Marah watsonii
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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