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Galeopsis tetrahit - L.

Common Name Common Hemp Nettle, Brittlestem hempnettle
Family Lamiaceae or Labiatae
USDA hardiness Coming soon
Known Hazards The plant is poisonous, causing paralysis[74].
Habitats Arable land, sometimes in woods, fens and wet heaths[17].
Range Europe, including Britain, from Iceland and Russia to Spain and Macedonia.
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential Yes
Medicinal Rating    (1 of 5)
Care (info)
Moist Soil Semi-shade Full sun
Galeopsis tetrahit Common Hemp Nettle, Brittlestem hempnettle


http://commons.wikimedia.org/wiki/File:Galeopsis_tetrahit_Sturm35.jpg
Galeopsis tetrahit Common Hemp Nettle, Brittlestem hempnettle
http://commons.wikimedia.org/wiki/User:TeunSpaans

 

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Summary


Physical Characteristics

 icon of manicon of flower
Galeopsis tetrahit is a ANNUAL growing to 1 m (3ft 3in).
It is not frost tender. It is in flower from July to September, and the seeds ripen from August to October. The species is hermaphrodite (has both male and female organs). The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Cultivated Beds;

Edible Uses

Edible Parts: Oil
Edible Uses: Oil

None known

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antispasmodic  Detergent  Expectorant  Resolvent

The plant is antispasmodic, detergent, expectorant and resolvent[240]. It is used in the treatment of tissue-wasting complaints[240]. An infusion of the plant is used in the treatment of pulmonary complaints[240].

References   More on Medicinal Uses

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Other Uses

Fibre  Oil

A drying oil is obtained from the seed. It is used as a polish for leather[74, 100]. A fibre is obtained from the stems, it is used for making cord[100].

Special Uses

References   More on Other Uses

Cultivation details

Grows in most soils, disliking heavy shade. This plant is sometimes grown in the wild garden[200]. An aggregate species[17]. It is a natural hybrid, G. speciosa x G. pubescens[200].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - sow spring in situ[200]. Germination usually takes place within a month.

Other Names

If available other names are mentioned here

Native Plant Search

Search over 900 plants ideal for food forests and permaculture gardens. Filter to search native plants to your area. The plants selected are the plants in our book 'Plants For Your Food Forest: 500 Plants for Temperate Food Forests and Permaculture Gardens, as well as plants chosen for our forthcoming related books for Tropical/Hot Wet Climates and Mediterranean/Hot Dry Climates. Native Plant Search

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Galeopsis bifidaSplitlip hempnettleAnnual1.0 0-0  LMHSNM002
Galeopsis ladanumBroadleaf Hemp Nettle, Red hempnettleAnnual0.6 0-0  LMHSNM002
Galeopsis segetumDowny Hemp NettleAnnual0.6 -  LMHSNM02 
Galeopsis speciosaLarge Flowered Hemp Nettle, Edmonton hempnettleAnnual1.0 0-0  LMHSNM002

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Expert comment

Author

L.

Botanical References

17200

Links / References

For a list of references used on this page please go here

Readers comment

albert   Fri Feb 20 2009

i have placed a link to your site at http://albertburger.com/wild%20plants.htm#hemp hope you approve albert

   Jun 16 2012 12:00AM

The leaves, flowers and seeds are said to be edible by the french book "Plantes sauvages comestibles (Edible Wild Plants)" Ulmer editions of 2012.

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