Pentanema helenioides

(DC.) D.Gut.Larr., Santos-Vicente, Anderb., E.Rico & M.M.Mart.Ort. · species

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Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Pentanema

At a glance

Occurrence records758

Data sources7

Biological traits4

DNA specimens0

eDNA detections2

Sources7 archives

Databases and archives Pentanema helenioides's data was compiled from.

WikipediaWikimedia Foundation2 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility758 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI2 eDNA detections↗

CCDBChromosome Counts DB · Tel Aviv U.genome & karyotype↗

PloiDBPloidy Databasegenome & karyotype

GLoBIGlobal Biotic Interactionsbiotic interactions↗

On this page5 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements2 literature sources4 traits

Occurrence & distributionGBIF758 records

Environmental DNA1 datasets · 0 countries2 detections

Genome at a glanceCCDB2n = 16

01Narrative

Pentanema helenioides is a species of plant in the daisy family Asteraceae. It is native to southern France and north-central and eastern Spain.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesWCVPTRY

Size & morphology1

Seed mass0.071 mg

Life cycle & reproduction2

Life formperennial or rhizomatous geophyte

Life spanperennial

Habitat & environment1

Climatetemperate

05DNA & barcoding2 eDNA hits

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 Pentanema helenioides has left across the world's sequence archives.

At a glance

eDNA detections2

06Genome at a glanceCCDB

The complete instruction manual Pentanema helenioides 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.

Chromosomes2n = 16 n = 8

Ploidydiploid inferred

Chromosome records16–322n range16median16mode5records

Chromosome-count records — grouped by value · 2n = full set, n = gamete · click a value for sources & references

2n 164×CCDB · iapt · CCDB · iber-fl · CCDB · book-ipcn73-74 +1

CCDB · iapt

CCDB · iber-fl — Cytotaxonomy of spanish plants. IV.-Dicotyledons: Caesalpinacea-Asteracea. Lve, A. & E. Kjellqvist.Lagascalia4(2): 153-211(1974).

CCDB · book-ipcn73-74 — LOEVE, A., & E. KJELLQVIST. 1974. Cytotaxonomy of Spanish plants. IV. Dicotyledons: Caesalpiniaceae- Asteraceae. Lagascalia 4: 153-211.

CCDB · CromoCat 2015 — Löve, A. & Kjellqvist, E. (1974b). Cytotaxonomy of Spanish plants. IV.-Dicotyledons: Caesalpinaceae-Asteraceae. Lagascalia 4(2): 153-211.

2n 321×CCDB · iapt

CCDB · iapt

Ploidy records — measured levels and diploid/polyploid inferences · click for sources

diploid inferred1×PloiDB · genus-scale

PloiDB · genus-scale — chromEvol; reliability=1.000 ↗

08Occurrence & distribution

Record type758 records

Wild obs. + sensor683

Museum / vouchered49

Other26

Origin

Introduced6

Range

Area of Occupancy AOO808 km²

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

Coordinate accuracy84% within 1 km

≤100 m 18≤1 km 8≤10 km 2>10 km 3

31 georeferenced · 652 without coordinates

Open the mapobservation + sensor683

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.

Coordinate accuracy0% within 1 km

≤10 km 1

1 georeferenced · 48 without coordinates

Open the institutions mapphysical evidence49

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

10Collections & institutions

Institution	Specimens
BDBClocation not on record	47
CJBGlocation not on record	1
BClocation not on record	1

3 institutions · 49 of 49 vouchered records shown

09Environmental DNA2 detections

Where the DNA of Pentanema helenioides 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

Detections DNA found2

Studies independent surveys1

Signal confidence: weakweighed across independent studies, places & mapped detections

Where its DNA was found

0 of 2 detections have coordinates

Open the map0 countries0

How strong is each trace?

DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.

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.

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