Senecio madagascariensis
Poir. · speciesAt a glance
Sources12 archives
Databases and archives Senecio madagascariensis's data was compiled from.
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility23 698 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI9 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics14 specimens↗
NCBIUS National Library of Medicinesequences↗
LOTUSNatural Products (Wikidata)compounds↗
NPASSNat. Product Activity & Species Sourcecompounds↗
GRIN TaxonomyUSDA-ARSdistribution & uses↗
Open Tree of LifeOpenTreephylogeny backbone↗
CCDBChromosome Counts DB · Tel Aviv U.genome & karyotype↗
PloiDBPloidy Databasegenome & karyotype
GLoBIGlobal Biotic Interactionsbiotic interactions↗Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.
Senecio madagascariensis, le Séneçon de Madagascar, est une espèce de plantes à fleurs dicotylédones de la famille des Asteraceae, de la sous-famille des Asteroideae, originaire d'Afrique australe et de Madagascar. Ce sont des plantes herbacées vivaces pouvant atteindre 60 cm de haut, aux capitules jaunes, se reproduisant par graines. L'espèce s'est naturalisée en Australie et en Amérique du Sud et est considérée comme envahissante dans certaines régions. Comme d'autres espèces du genre Senecio, la plante contient des alcaloïdes pyrrolizidinique et est toxique pour le bétail. Pour certains auteurs, Senecio madagascariensis serait conspécifique avec Senecio inaequidens. Les deux espèces, originaires d’Afrique australe, sont difficiles à distinguer par leurs caractères morphologiques, se distinguant surtout par leur cytotype, diploïde pour S. madagascariensis et tétraploïde pour S. inaequidens, et devraient être classées dans le complexe d'espèces Senecio inaequidens.
No narrative description available for this taxon yet.
Size & morphology13
Life cycle & reproduction9
Diet & foraging1
Habitat & environment12
Physiology & chemistry3
Other traits1
Compounds documented for Senecio madagascariensis across natural-product and food-composition databases — not just the ~150 nutrients on a classic label ("nutritional dark matter").
Compound class profile5 classes
Documented compounds65 total
| Compound | Class | Amount | Source |
|---|---|---|---|
| (+)-Ursolic Acid | present | NPASS | |
| (1R,2S,6S,9S,10R,11S,14S,15S,17R,18S,20S,23R,24S)-6,10,23-trimethyl-4-azahexacyclo[12.11.0.02,11.04,9.015,24.018,23]pentacosane-17,20-diol | present | NPASS | |
| (1R,4S,6R,7R,11Z)-4-[(1R)-1-chloroethyl]-4,7-dihydroxy-6,7,14-trimethyl-2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-ene-3,8,17-trione | present | LOTUS | |
| (1R,6R,9S,10R,14S,15S,17R,18S,20S,23R,24S)-6,10,23-trimethyl-4-azahexacyclo[12.11.0.02,11.04,9.015,24.018,23]pentacos-2(11)-ene-17,20-diol | present | NPASS | |
| (1S,4R,9R,10R,13R,14S)-14-(hydroxymethyl)-5,5,9-trimethyltetracyclo[11.2.1.01,10.04,9]hexadecan-14-ol | present | NPASS | |
| (1S,4S,6R,9S,10R,13R,14R)-6-acetyloxy-5,5,9-trimethyltetracyclo[11.2.1.01,10.04,9]hexadecane-14-carboxylic acid | present | NPASS | |
| (3R,4'R)-4',6-dimethylspiro[benzo[g][2]benzofuran-3,2'-oxolane]-1-one | present | NPASS | |
| (3R,7S,8R,9S,10R,13R,14R,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-3,7-dihydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-1-one | present | NPASS | |
| (3R,7S,8S,9S,10R,13R,14S,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-3,7-dihydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-1-one | present | NPASS | |
| (3S,4'S)-4',6-dimethylspiro[benzo[g][2]benzofuran-3,2'-oxolane]-1-one | present | NPASS |
A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Senecio madagascariensis has left across the world's sequence archives.
At a glance
★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.
The complete instruction manual Senecio madagascariensis carries — its genome. We read it from three angles — how big it is, how the DNA is packed into chromosomes, and how completely it has been sequenced — and explain how to read each value as you go.
Chromosomes & ploidyhow the DNA is packaged
2n is the full chromosome count in a normal body cell; n is a gamete (egg or sperm), which carries half. Ploidy is how many complete chromosome sets each cell holds — 2× (diploid) is typical for animals, while higher levels (polyploidy) are common in plants. Click any value below to see the underlying records and sources.
n 201×CCDB · ipcn-api-dl
polyploid inferred1×PloiDB · genus-scale
Record type23 698 records
Origin
Range
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Museum / Voucheredphysical evidence
Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.
Cultivated / Captivenot free-living
A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Holding institutions49 of 94 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
| Institution | Specimens |
|---|---|
| Mount Annan, AU | 197 |
| Brisbane, AU | 157 |
| Jardín Botánico de Bogotá José Celestino Mutis (JBB)location not on record | 146 |
| Canberra, AU | 103 |
| Pretoria, ZA | 93 |
| NSW Dept of Planning, Industry and Environmentlocation not on record | 92 |
| Durban, ZA | 87 |
| Museo Entomologico de Leonlocation not on record | 74 |
| San Isidro, AR | 49 |
| Plocation not on record | 38 |
| Cape Town, ZA | 34 |
| Armidale, AU | 34 |
| Ciudad Autónoma de Buenos Aires, AR | 33 |
| Parc Botanique et Zoologique de Tsimbazaza (PBZT)location not on record | 32 |
| Kew, GB | 25 |
| Saint Louis, US | 24 |
| Córdoba, AR | 23 |
| John T. Waterhouse Herbariumlocation not on record | 23 |
| Odawara, JP | 21 |
| Adelaide, AU | 19 |
| Sanda, JP | 19 |
| Kochi, JP | 18 |
| Tokushima, JP | 16 |
| Universidade Federale do Rio Grande do Sullocation not on record | 16 |
| Honolulu, US | 16 |
| Wollongong, AU | 15 |
| San Jose State University, Museum of Birds and Mammalslocation not on record | 14 |
| Osaka, JP | 14 |
| BISHlocation not on record | 14 |
| Rotorua, NZ | 12 |
| Corrientes, AR | 11 |
| University of Stellenboschlocation not on record | 9 |
| Tsukuba, JP | 9 |
| Kagoshima, JP | 9 |
| Pelotas, BR | 8 |
| Jardín Botánico José Celestino Mutis (JBBJCM)location not on record | 7 |
| Blumenau, BR | 7 |
| Fukushima Universitylocation not on record | 6 |
| Christchurch, NZ | 6 |
| Paris, FR | 6 |
| Centre National de la Recherche Appliquée au Developement Rurallocation not on record | 5 |
| UFBAlocation not on record | 5 |
| Auckland, NZ | 5 |
| Instituto de Investigación de Recursos Biológicos Alexander von Humboldt (IAvH)location not on record | 5 |
| Universidade Federal de Pelotaslocation not on record | 4 |
| UNICAMPlocation not on record | 4 |
| Hobart, AU | 4 |
| JBRJlocation not on record | 4 |
| Batemans Bay, AU | 4 |
| Pontificia Universidad Javeriana (PUJ)location not on record | 4 |
| Universidad Nacional de Colombia (UNAL)location not on record | 4 |
| Universidad de La Salle (La Salle)location not on record | 3 |
| South African National Biodiversity Institutelocation not on record | 3 |
| Palmerston, AU | 3 |
| Sendai, JP | 3 |
| CJBGlocation not on record | 3 |
| Kawasaki Shi Tama Ku, JP | 2 |
| UFSMlocation not on record | 2 |
| PUC-RSlocation not on record | 2 |
| MSB-3054location not on record | 2 |
| National Museums of Kenyalocation not on record | 2 |
| Canadian Department of Agriculturelocation not on record | 2 |
| UniKSlocation not on record | 2 |
| FUVATESlocation not on record | 2 |
| Salvador, BR | 2 |
| Chiba, JP | 2 |
| Universidad de Antioquia (UdeA)location not on record | 2 |
| INMAlocation not on record | 2 |
| UFABClocation not on record | 2 |
| Nagano City, JP | 1 |
| Nagatoro-machi, Chichibu-gun, JP | 1 |
| Kensington, AU | 1 |
| Empresa Pernambucana de Pesquisa Agropecuária, IPAlocation not on record | 1 |
| Cenit Transporte y Logística de Hidrocarburos S.A.S. (CENIT)location not on record | 1 |
| ASUlocation not on record | 1 |
| EL PASO, US | 1 |
| KURAlocation not on record | 1 |
| Universidade de São Paulolocation not on record | 1 |
| JP | 1 |
| US | 1 |
| Santiago, CL | 1 |
| Porto Alegre, BR | 1 |
| Santa Maria, BR | 1 |
| Berlin, DE | 1 |
| Riverside, US | 1 |
| UFSClocation not on record | 1 |
| Universidade Federal de Santa Catarinalocation not on record | 1 |
| Toyama, JP | 1 |
| Laboratorio de Ictiologialocation not on record | 1 |
| Bronx, US | 1 |
| UTFPR-SLlocation not on record | 1 |
| UTFPR-CPlocation not on record | 1 |
| Laboratory of Palaeontologylocation not on record | 1 |
| James Cook Townsvillelocation not on record | 1 |
Cultivated / Captivenot free-living
A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.
Where the DNA of Senecio madagascariensis was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.
Signal
Where its DNA was found
How strong is each trace?
Modelled climatemodelled
How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.