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Apocynum cannabinum
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Indianhemp Dogbane
( Apocynum cannabinum )
Apocynum cannabinum
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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14 Nurseries Carry This Plant
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About Indianhemp Dogbane (Apocynum cannabinum)
14 Nurseries Carry This Plant
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Apocynum cannabinum
(Dogbane, Amy Root, Hemp Dogbane, Prairie Dogbane, Indian Hemp, Rheumatism Root, or Wild Cotton) is a perennial herbaceous plant that grows throughout much of North America - in the southern half of Canada and throughout the United States. It is a poisonous plant: Apocynum means "poisonous to dogs". All parts of the plant are poisonous and can cause cardiac arrest if ingested. The cannabinum in the scientific name and the common names Hemp Dogbane and Indian Hemp refer to its similarity to Cannabis as a fiber plant (see Hemp), rather than as a source of a psychoactive drug (see Cannabis (drug)). Although dogbane is poisonous to livestock, it likely got its name from its resemblance to a European species of the same name.
Apocynum cannabinum
grows in open wooded areas, ditches, and hillsides. It is found in gravelly or sandy soil, mainly near streams in shady or moist places.
Apocynum cannabinum
grows up to 2 meters/6 feet tall. The stems are reddish and contain a milky latex capable of causing skin blisters. The leaves are opposite, simple broad lanceolate, 7-15 cm long and 3-5 cm broad, entire, and smooth on top with white hairs on the underside. It flowers from July to August, has large sepals, and a five-lobed white corolla. The flowers are hermaphrodite (have both male and female organs) and are pollinated by moths and butterflies. Invasive species. In gardens it can be invasive, growing from spreading roots.
Plant Description
Plant Type
Perennial herb
Size
3.3 - 6.6 ft tall
Form
Upright
Growth Rate
Moderate
Flower Color
White, Cream, Brown
Flowering Season
Summer
Wildlife Supported
Butterflies & moths hosted ( 1
confirmed
, 3
likely
* )
SHOW ALL
Dogbane Saucrobotys
Saucrobotys futilalis
Saucrobotys futilalis
*
Clio Tiger Moth
Ectypia clio
Ectypia clio
*
Purple-Lined Sallow
Pyrrhia exprimens
Pyrrhia exprimens
*
Tacoma Cutworm
Trichordestra tacoma
Trichordestra tacoma
Landscaping Information
Sun
Part Shade
Moisture
Moderate - High
Nurseries
Carried by 14
Soil Drainage
Fast
Soil Description
Prefers moist sandy or gravelly soil
Sunset Zones
?
1*, 2*, 3*, 4, 5, 6*, 7*, 8*, 9*, 10, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*
Natural Setting
Site Type
Moist places
Climate
Annual Precipitation: 1.9" - 65.1", Summer Precipitation: 0.15" - 2.96", Coldest Month: 24.3" - 61.0", Hottest Month: 42.6" - 90.4", Humidity: 0.23" - 48.25", Elevation: -271" - 11144"
Alternative Names
Common Names
: Indian Hemp
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Indianhemp Dogbane
Apocynum cannabinum
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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