Wyethia helenioides - Unknown
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Internal ID UUID643fcd8d90506304050060
Scientific name Wyethia helenioides
Authority Nutt.
First published in Trans. Amer. Philos. Soc. , ser. 2, 7: 353 (1840)

Description Top

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The plant has a basal rosette of gray-green, hairy leaves, and a single, erect stem with a single flower head. The flower head is composed of many yellow ray florets, and the center is filled with yellow disc florets.

Wyethia helenioides is a species of flowering plant in the family Asteraceae, commonly referred to as gray mule's ears or whitehead mule-ears. It is found mainly in the California Coast Ranges, Transverse Ranges, Peninsular Ranges, and some areas of the Sierra Nevada foothills. It is a short, low growing golden-rayed wildflower that resembles a sunflower, with a basal rosette of gray-green, hairy leaves, and a single, erect stem with a single flower head composed of many yellow ray florets, and the center filled with yellow disc florets. It is typically found in sunny clearings of mixed oak forests in coastal California.

Synonyms Top

Scientific name Authority First published in
Alarconia helenioides DC. Prodr. 5: 537 (1836)
Melarhiza inuloides Kellogg Proc. Calif. Acad. Sci. 1(ed. 2): 37 (1873)

Common names Top

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Language Common/alternative name
English whitehead mule-ears

Subspecies (abbr. subsp./ssp.) Top

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Germination/Propagation Top

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Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0000073335
UNII 4I5XBN56DA
USDA Plants WYHE
Tropicos 2711292
KEW urn:lsid:ipni.org:names:260758-1
The Plant List gcc-30077
Open Tree Of Life 1010708
NCBI Taxonomy 230219
Nature Serve 2.147472
IPNI 260758-1
iNaturalist 50799
GBIF 3091455
Freebase /m/07kggf5
EPPO WYHHE
EOL 503162
Calflora (Californian flora) 8360
USDA GRIN 457700
Wikipedia Wyethia_helenioides

Genomes (via NCBI) Top

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

Scientific Literature Top

Below are displayed the latest 15 articles published in PMC (PubMed CentralĀ®) and other sources (DOI number only)!
If you wish to see all the related articles click here.
Title Authors Publication Released IDs
Homeopathy for COVID-19 in primary care: A randomized, double-blind, placebo-controlled trial (COVID-Simile study) Adler UC, Adler MS, Padula AE, Hotta LM, de Toledo Cesar A, Diniz JN, de Freitas Santos H, Martinez EZ J Integr Med 12-Mar-2022
PMCID:PMC8917006
doi:10.1016/j.joim.2022.03.003
PMID:35339397
Exchange of medicinal plant information in California missions McBride JR, Cavero RY, Cheshire AL, Calvo MI, McBride DL J Ethnobiol Ethnomed 15-Jun-2020
PMCID:PMC7296748
doi:10.1186/s13002-020-00388-y
PMID:32539795
Flavonoids of Wyethia angustifolia and W. helenioides Susan McCormick, Kathleen Robson, Bruce Bohm Elsevier BV 25-Jul-2002
doi:10.1016/S0031-9422(00)81244-3
A diterpene, a sesquiterpene quinone and flavanones from Wyethia helenioides Ferdinand Bohlmann, Christa Zdero, Harold Robinson, Robert M. King Elsevier BV 25-Jul-2002
doi:10.1016/0031-9422(81)80122-7

Phytochemical Profile Top

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Below are displayed the proven (via scientific papers) natural compounds!
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Name PubChem ID Canonical SMILES MW Found in Proof
> Lipids and lipid-like molecules / Prenol lipids / Diterpenoids / Acyclic diterpenoids
12-Hydroxy-2-(5-hydroxy-4-methylpent-3-enyl)-6,10-dimethyldodeca-2,6,10-trienoic acid 162950150 Click to see CC(=CCCC(=CCO)C)CCC=C(CCC=C(C)CO)C(=O)O 336.50 unknown https://doi.org/10.1016/0031-9422(81)80122-7
Wyethic acid 163184470 Click to see CC(=C)CCC=C(C)CCC=C(CCC=C(C)CO)C(=O)O 306.40 unknown https://doi.org/10.1016/0031-9422(81)80122-7
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids
(S)-Curcuhydroquinone 5324627 Click to see CC1=CC(=C(C=C1O)C(C)CCC=C(C)C)O 234.33 unknown https://doi.org/10.1016/0031-9422(81)80122-7
2-(1,5-Dimethyl-4-hexenyl)-5-methylbenzene-1,4-diol 11096540 Click to see CC1=CC(=C(C=C1O)C(C)CCC=C(C)C)O 234.33 unknown https://doi.org/10.1016/0031-9422(81)80122-7
2-methyl-5-[(2S)-6-methylhept-5-en-2-yl]cyclohexa-2,5-diene-1,4-dione 10752054 Click to see CC1=CC(=O)C(=CC1=O)C(C)CCC=C(C)C 232.32 unknown https://doi.org/10.1016/0031-9422(81)80122-7
> Organoheterocyclic compounds / Indoles and derivatives / Carbazoles
Mukolidine 53465568 Click to see COC1=CC=CC2=C1NC3=C2C=C(C=C3)C=O 225.24 unknown https://doi.org/10.1016/0031-9422(81)80122-7
> Phenylpropanoids and polyketides / Flavonoids / Flavans / 6-prenylated flavans / 6-prenylated flavanones
(2S)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-6-(3-methylbut-2-enyl)-2,3-dihydrochromen-4-one 13845972 Click to see CC(=CCC1=C(C2=C(C=C1O)OC(CC2=O)C3=CC(=C(C=C3)O)O)O)C 356.40 unknown https://doi.org/10.1016/0031-9422(81)80122-7
5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-(3-methylbut-2-enyl)-2,3-dihydrochromen-4-one 3519901 Click to see CC(=CCC1=C(C2=C(C=C1O)OC(CC2=O)C3=CC=C(C=C3)O)O)C 340.40 unknown https://doi.org/10.1016/S0031-9422(00)81244-3
6-Prenyleriodictyol 11727986 Click to see CC(=CCC1=C(C2=C(C=C1O)OC(CC2=O)C3=CC(=C(C=C3)O)O)O)C 356.40 unknown https://doi.org/10.1016/0031-9422(81)80122-7
> Phenylpropanoids and polyketides / Flavonoids / Flavonoid glycosides / Flavonoid O-glycosides / Flavonoid-3-O-glycosides
3-(4-O-beta-D-Glucopyranosyl-beta-D-glucopyranosyloxy)-3',4',5,7-tetrahydroxy-6-methoxyflavone 102403055 Click to see COC1=C(C2=C(C=C1O)OC(=C(C2=O)OC3C(C(C(C(O3)CO)OC4C(C(C(C(O4)CO)O)O)O)O)O)C5=CC(=C(C=C5)O)O)O 656.50 unknown https://doi.org/10.1016/0031-9422(81)80122-7
> Phenylpropanoids and polyketides / Flavonoids / O-methylated flavonoids / 4-O-methylated flavonoids
5,7-Dihydroxy-4'-methoxyflavanone 5118250 Click to see COC1=CC=C(C=C1)C2CC(=O)C3=C(C=C(C=C3O2)O)O 286.28 unknown https://doi.org/10.1016/S0031-9422(00)81244-3
Isosakuranetin 160481 Click to see COC1=CC=C(C=C1)C2CC(=O)C3=C(C=C(C=C3O2)O)O 286.28 unknown https://doi.org/10.1016/S0031-9422(00)81244-3
> Phenylpropanoids and polyketides / Flavonoids / O-methylated flavonoids / 6-O-methylated flavonoids
Axillarin 5281603 Click to see COC1=C(C2=C(C=C1O)OC(=C(C2=O)OC)C3=CC(=C(C=C3)O)O)O 346.30 unknown https://doi.org/10.1016/S0031-9422(00)81244-3
Eupafolin 5317284 Click to see COC1=C(C2=C(C=C1O)OC(=CC2=O)C3=CC(=C(C=C3)O)O)O 316.26 unknown https://doi.org/10.1016/S0031-9422(00)81244-3
Jaceidin 5464461 Click to see COC1=C(C=CC(=C1)C2=C(C(=O)C3=C(O2)C=C(C(=C3O)OC)O)OC)O 360.30 unknown https://doi.org/10.1016/S0031-9422(00)81244-3
> Phenylpropanoids and polyketides / Isoflavonoids / O-methylated isoflavonoids / 7-O-methylated isoflavonoids / 7-O-methylisoflavones
5,4'-Dihydroxy-7,3'-dimethoxyisoflavone 13845970 Click to see COC1=CC(=C2C(=C1)OC=C(C2=O)C3=CC(=C(C=C3)O)OC)O 314.29 unknown https://doi.org/10.1016/S0031-9422(00)81244-3

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