Catasetum cernuum

(Lindl.) Rchb.f. · species

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Plantae/Tracheophyta/Liliopsida/Asparagales/Orchidaceae/Catasetum

At a glance

Occurrence records36

Data sources9

Biological traits12

DNA specimens1

eDNA detections1

Sources9 archives

Databases and archives Catasetum cernuum's data was compiled from.

WikipediaWikimedia Foundation2 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility36 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI1 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics1 specimens↗

GRIN TaxonomyUSDA-ARSdistribution & uses↗

Open Tree of LifeOpenTreephylogeny backbone↗

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

PloiDBPloidy Databasegenome & karyotype

On this page6 sections

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

NarrativeWikipediaarticle

Traits & measurements3 literature sources12 traits

Occurrence & distributionGBIF36 records

Environmental DNA1 datasets · 0 countries1 detections

DNA & barcodingBOLD1 specimens

Genome at a glanceCCDB2n = 54

01Narrative

Catasetum cernuum, the nodding catasetum, is a species of orchid found from Trinidad to Brazil.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesWCVPGIFTTRY

Life cycle & reproduction2

Life formpseudobulbous epiphyte

Life spanperennial

Diet & foraging1

Parasiteindependent

Habitat & environment9

Aquaticterrestrial

Climatewet tropical

Climberself-supporting

Elevation max900 m

Elevation min500 m

Epiphyteobligatory

Growth formherb

⚠ sources differ — GIFT: herb · TRY: Epiphyte

Habitat GIFTFloresta Ciliar ou Galeria, Floresta Ombrófila (= Floresta Pluvial)

Woodinessnon-woody

05DNA & barcoding1 specimens

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 Catasetum cernuum has left across the world's sequence archives.

At a glance

DNA specimens1

Marker genes1

eDNA detections1

Countries1

Marker genes sequenced

★ 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.

★ITS

fungal barcode

06Genome at a glanceCCDB

The complete instruction manual Catasetum cernuum 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 = 54 n = 27

Ploidydiploid inferred

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

2n 541×CCDB · book-ipcn67-71

CCDB · book-ipcn67-71 — JONES, K. & M.G. DARKER. 1968. The chromosomes of orchids. III. Catasetinae Schltr. Kew Bull. 22: 421-427.

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 type36 records

Wild obs. + sensor27

Museum / vouchered9

Origin

Native2

Range

Area of Occupancy AOO96 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 accuracy60% within 1 km

≤100 m 7≤1 km 5≤10 km 3>10 km 5

20 georeferenced · 7 without coordinates

Open the mapobservation + sensor27

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 · 8 without coordinates

Open the institutions mapphysical evidence9

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

Holding institutions2 of 5 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
Bronx, US	2
UFESlocation not on record	2
JBRJlocation not on record	2
Federal University of Espírito Santolocation not on record	2
South Kensington, GB	1

5 institutions · 9 of 9 vouchered records shown

09Environmental DNA1 detections

Where the DNA of Catasetum cernuum 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 found1

Studies independent surveys1

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

Where its DNA was found

0 of 1 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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