rosinweed
Dictionary:
ros·in·weed (rŏz'ĭn-wēd') 
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n.
Any of several North American plants of the genera Grindelia or Silphium, especially the compass plant, the cup plant, and the gum plant, having a resinous juice.
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| WordNet: rosinweed |
Note: click on a word meaning below to see its connections and related words.
The noun has 2 meanings:
Meaning #1:
North American perennial having a resinous odor and yellow flowers
Synonym: Silphium laciniatum
Meaning #2:
any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock
Synonyms: gumweed, gum plant, tarweed
| Wikipedia: Silphium (genus) |
This article is about the plant genus. For the extinct ancient plant, see Silphium.
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 Rosinweed
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| Silphium asteriscus L. |
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Rosinweed (Silphium) is a genus of about 20 species of flowering plants in the family Asteraceae, native to eastern North America. They are herbaceous perennial plants growing to 0.5-4 m tall, with yellow (rarely white) flowerheads. The name of the genus comes from the Ancient Greek word for a North African plant whose identity has been lost, though we know its gum or juice was prized by the ancients as a medicine and a condiment.[5]
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Species
- Silphium albiflorum A.Gray – White Rosinweed
- Silphium asteriscus L. – Starry Rosinweed
- Silphium brachiatum Gatt. – Cumberland Rosinweed
- Silphium compositum Michx. – Kidneyleaf Rosinweed
- Silphium glutinosum J.R.Allison – Sticky Rosinweed
- Silphium gracile A.Gray – Slender Rosinweed
- Silphium radula Nutt. var. gracile (A.Gray) Clevinger
- Silphium integrifolium Michx. – Wholeleaf Rosinweed
- Silphium laciniatum L. – Compassplant
- Silphium mohrii Small – Mohr's Rosinweed
- Silphium perfoliatum L. – Cup Plant
- Silphium perplexum J.R.Allison – Old Cahaba Rosinweed
- Silphium pinnatifidum Ell. – Tansy Rosinweed
- Silphium terebinthinaceum Jacq. var. pinnatifidum (Elliott) A.Gray
- Silphium radula Nutt. – Roughstem Rosinweed
- Silphium reverchonii Bush – Reverchon's Rosinweed
- Silphium scaberrimum Ell. – Roughleaf Rosinweed
- Silphium simpsonii Greene – Simpson's Rosinweed
- Silphium terebinthinaceum Jacq. – Prairie Rosinweed, Prairie Dock
- Silphium trifoliatum L. – Whorled Rosinweed
- Silphium wasiotense M.Medley – Appalachian Rosinweed
Sources: FNA,[6] IPNI,[7] NRCS,[8] GRIN,[9] ITIS,[2] UniProt[4]
 silphium integrifolium Wholeleaf Rosinweed |
 Insects on Wholeleaf Rosinweed |
See also
- Genus Calycadenia - the western rosinweeds
References
- ^ "Silphium". Index Nominum Genericorum. International Association for Plant Taxonomy. 1996-02-09. http://botany.si.edu/ing/INGsearch.cfm?searchword=Silphium. Retrieved 2008-06-24.
- ^ a b Silphium (TSN 38384). Integrated Taxonomic Information System. Retrieved on 24 June 2008.
- ^ International Organization for Plant Information (IOPI). "Plant Name Search Results" (HTML). International Plant Names Index. http://www.ipni.org/ipni/idPlantNameSearch.do?id=30003243-2. Retrieved 2008-06-24.
- ^ a b UniProt. "Silphium" (HTML). http://beta.uniprot.org/taxonomy/53586. Retrieved 2008-06-24.
- ^ "Silphium". Flora of North America. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=130361.
- ^ Clevinger, Jennifer A.. "269. Silphium Linnaeus". Flora of North America (New York & Oxford: Oxford University Press) 21: Page 65, 77, 157. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=130361. Retrieved 2008-06-24.
- ^ International Organization for Plant Information (IOPI). "Plant Name Search". International Plant Names Index. http://www.ipni.org/ipni/plantnamesearchpage.do. Retrieved 2008-06-24.
- ^ "Silphium". Natural Resources Conservation Service PLANTS Database. USDA. http://plants.usda.gov/java/profile?symbol=SILPH. Retrieved 2008-06-24.
- ^ Germplasm Resources Information Network (GRIN) (1996-09-17). "Genus: Silphium L.". Taxonomy for Plants. USDA, ARS, National Genetic Resources Program, National Germplasm Resources Laboratory, Beltsville, Maryland. http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?11161. Retrieved 2008-06-24.
External links
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 | compass plant (plant, herb) |
| Calycadenia |
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Silphium (genus)". Read more |
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