Scleranthus annuus: Difference between revisions
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'''''Scleranthus annuus''''' is a species of flowering plant in the [[Caryophyllaceae|pink family]] known by the common names '''German knotweed''' and '''annual knawel'''. It is native to Europe, Asia, and North Africa, and it is known throughout the rest of the temperate world as an [[introduced species]] and a common [[weed]]. It grows in many types of habitat, often in disturbed areas. It is an annual herb with low, spreading stems up to 15 centimeters long growing from a [[taproot]]. The leaves are needle-like or linear in shape with sharp, stiff points. They are oppositely arranged in pairs about the stem and are fused together at the bases. Flowers occur in pairs or small clusters of up to five. The flowers lack petals but have bell-shaped calyces of green petal-shaped [[sepal]]s. |
'''''Scleranthus annuus''''' is a species of flowering plant in the [[Caryophyllaceae|pink family]] known by the common names '''German knotweed''' and '''annual knawel'''. It is native to Europe, Asia, and North Africa, and it is known throughout the rest of the temperate world as an [[introduced species]] and a common [[weed]]. It grows in many types of habitat, often in disturbed areas. It is an annual herb with low, spreading stems up to 15 centimeters long growing from a [[taproot]]. The leaves are needle-like or linear in shape with sharp, stiff points. They are oppositely arranged in pairs about the stem and are fused together at the bases. Flowers occur in pairs or small clusters of up to five. The flowers lack petals but have bell-shaped calyces of green petal-shaped [[sepal]]s. They are used to make one of the [[Bach flower remedies]]<ref name="Vohra2004">{{cite book|author=D. S. Vohra|title=Bach Flower Remedies: A Comprehensive Study|url=https://books.google.com/books?id=icG8onA0ys8C&pg=PR3|accessdate=2 September 2013|date=1 June 2004|publisher=B. Jain Publishers|isbn=978-81-7021-271-3|page=3}}</ref> a kind of [[alternative medicine]] promoted for its effect on mental and emotional health. |
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{{commons|Scleranthus annuus}} |
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Revision as of 06:47, 8 March 2018
| Scleranthus annuus | |
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| Species: | S. annuus
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Scleranthus annuus is a species of flowering plant in the pink family known by the common names German knotweed and annual knawel. It is native to Europe, Asia, and North Africa, and it is known throughout the rest of the temperate world as an introduced species and a common weed. It grows in many types of habitat, often in disturbed areas. It is an annual herb with low, spreading stems up to 15 centimeters long growing from a taproot. The leaves are needle-like or linear in shape with sharp, stiff points. They are oppositely arranged in pairs about the stem and are fused together at the bases. Flowers occur in pairs or small clusters of up to five. The flowers lack petals but have bell-shaped calyces of green petal-shaped sepals. They are used to make one of the Bach flower remedies[1] a kind of alternative medicine promoted for its effect on mental and emotional health.
External links
- Jepson Manual Treatment: ssp. annuus
- USDA Plants Profile
- Flora of North America
- Washington Burke Museum
- "Scleranthus annuus". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture.
- Missouri Plants Photo Profile
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- ^ D. S. Vohra (1 June 2004). Bach Flower Remedies: A Comprehensive Study. B. Jain Publishers. p. 3. ISBN 978-81-7021-271-3. Retrieved 2 September 2013.