Gnaphalium
| cudweeds | |
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| File:Starr 030523-0063 Gnaphalium sandwicensium.jpg | |
| Gnaphalium sandwicensium from Hawai'i |
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Gnaphalium
L. 1753 not Adans. 1763
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| Type species | |
| Gnaphalium luteoalbum[1][2] |
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| Synonyms[3] | |
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Gnaphalium is a genus of flowering plants in the sunflower family,[4][2] commonly called cudweeds. They are widespread and common in temperate regions, although some are found on tropical mountains or in the subtropical regions of the world.
Cudweeds are important foodplants for American painted lady caterpillars.
Species
Species in this genus include:[3]
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Formerly included
Numerous species have at one time been included in Gnaphalium,[3] but are now considered to belong to other genera: Achyrocline, Aliella, Ammobium, Anaphalioides, Anaphalis, Anaxeton, Antennaria, Argyrotegium, Belloa, Berroa, Blumea, Castroviejoa, Chevreulia, Chionolaena, Chrysocephalum, Dolichothrix, Edmondia, Euchiton, Ewartia, Facelis, Filago, Galeomma, Gamochaeta, Gnomophalium, Helichrysum, Ifloga, Laphangium, Lasiopogon, Leontonyx, Leontopodium, Leucogenes, Logfia, Lucilia, Luciliocline, Metalasia, Micropsis, Neojeffreya, Novenia, Ozothamnus, Pentzia, Petalacte, Phagnalon, Pilosella, Plecostachys, Pseudognaphalium, Pterocaulon, Rhodanthe, Raoulia, Schizogyne, Staehelina, Stuckertiella, Syncarpha, Troglophyton, Vellereophyton, Xerochrysum
Secondary metabolites
Gnaphalium species are known to contain flavonoids and diterpenes. Recently, two unique caffeoyl-D-glucaric acid derivatives, leontopodic acid and leontopodic acid B formerly only known from Leontopodium alpinum (L.) Cass. were detected in various species of Gnaphalium together with similar formerly unknown compounds.[5]
References
- ↑ lectotype designated by Britton & Brown, Illustrated Flora of North America 3: 453. 1913
- ↑ 2.0 2.1 Tropicos, Gnaphalium L.
- ↑ 3.0 3.1 3.2 Flann, C (ed) 2009+ Global Compositae Checklist search for Gnaphalium
- ↑ Linnaeus, Carl von. 1753. Species Plantarum 2: 850-857 in Latin
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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Wikimedia Commons has media related to [[commons:Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).|Lua error in Module:WikidataIB at line 506: attempt to index field 'wikibase' (a nil value).]]. |
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Wikispecies has information related to: Gnaphalium |
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