Citrus maxima
(Burm.) Merr. · speciesAt a glance
Sources13 archives
Databases and archives Citrus maxima's data was compiled from.
WikipediaWikimedia Foundation22 languages↗
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility2 045 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI53 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics45 specimens↗
foodatlascompounds
LOTUSNatural Products (Wikidata)compounds↗
GRIN TaxonomyUSDA-ARSdistribution & uses↗
CCDBChromosome Counts DB · Tel Aviv U.genome & karyotype↗
GoaTGenomes on a Tree · Sangergenome & karyotype↗
PloiDBPloidy Databasegenome & karyotype
WikidataWikimedia Foundationstructured facts↗
GLoBIGlobal Biotic Interactionsbiotic interactions↗Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.
Cluster of flower buds Pomelo flowers Pomelo tree in southern Vietnam The pomelo ( ), Citrus maxima, is the largest citrus fruit from the family Rutaceae and the principal ancestor of the grapefruit. It is a natural, non-hybrid, citrus fruit, native to Southeast Asia. Similar in taste to a sweet grapefruit, the pomelo is commonly consumed and used for festive occasions throughout Southeast Asia. As with the grapefruit, phytochemicals in the pomelo have the potential for drug interactions.
No narrative description available for this taxon yet.
Size & morphology5
Life cycle & reproduction6
Diet & foraging1
Habitat & environment12
Physiology & chemistry2
Other traits1
Compounds documented for Citrus maxima across natural-product and food-composition databases — not just the ~150 nutrients on a classic label ("nutritional dark matter").
Compound class profile5 classes
Documented compounds326 total
| Compound | Class | Amount | Source |
|---|---|---|---|
| succinic acid | 1.299 mg/100g | FoodAtlas |
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 Citrus maxima 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.
Besides the big genome in the nucleus, cells carry a small, circular loop of DNA inside the cell's energy factories — the mitochondria. It is inherited almost only from the mother and is a leftover from ancient bacteria that moved into the cell. The mitochondrial markers above (ND*, COX, CYTB…) are read from exactly this loop. Outer ring = one strand, inner ring = the other.
The complete instruction manual Citrus maxima 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.
Genome sizehow big the whole instruction manual is
Measured in base pairs (bp) — the individual letters of DNA (human ≈ 3.2 Gb, a bacterium a few million). The chart places this genome on a logarithmic scale — each step to the right is ten times bigger — among reference organisms. Across species a bigger genome loosely tracks with larger cells, slower growth and lower-energy lifestyles (powered flight favours small genomes) — yet it does not imply more genes or a more advanced organism (the long-standing C-value paradox).
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.
2n 1822×GoaT · Kew Plant DNA C-values Database · CCDB · ipcn-api-dl · CCDB · book-indian_vol1 +3
2n 191×CCDB · ipcn-api-dl
2n 211×CCDB · Cave1957
n 91×CCDB · ipcn-api-dl
diploid1×GoaT · Kew Plant DNA C-values Database
diploid inferred1×PloiDB · genus-scale
Sequencing statusassembly quality — how far to trust these numbers
Assembly level tells you how finished the sequence is — from fragmented contigs, through scaffolds, up to a full chromosome-level assembly. BUSCO % estimates completeness: the share of genes expected to be present that were actually found. These describe the data quality, not the organism.
Record type2 045 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 institutions40 of 70 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
| Institution | Specimens |
|---|---|
| Guilin, CN | 23 |
| Saint Louis, US | 23 |
| utaslocation not on record | 17 |
| Beijing, CN | 16 |
| Tapachula, MX | 12 |
| Chengdu, CN | 9 |
| Taipei, TW | 8 |
| Paris, FR | 7 |
| Guangzhou, CN | 7 |
| Universidad de Caldas (UCaldas)location not on record | 7 |
| Philadelphia, US | 6 |
| Puerto Ayora, EC | 5 |
| Auckland, NZ | 5 |
| Universidad Nacional de Colombia (UNAL)location not on record | 5 |
| Bronx, US | 4 |
| Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Moreloslocation not on record | 4 |
| Canberra, AU | 4 |
| Christchurch, NZ | 3 |
| Herbario MAT de la Universidad Politécnica Estatal del Carchilocation not on record | 3 |
| Xiamen, CN | 3 |
| Universidad de Antioquia (UdeA)location not on record | 3 |
| University of Stellenboschlocation not on record | 3 |
| Chicago, US | 3 |
| Instituto de Investigación de Recursos Biológicos Alexander von Humboldt (IAvH)location not on record | 2 |
| UNESP-FCAlocation not on record | 2 |
| Guasave, MX | 2 |
| Universidad del Quindío (UniQuindío)location not on record | 2 |
| Durango, MX | 2 |
| Durban, ZA | 2 |
| Museo Entomologico de Leonlocation not on record | 2 |
| BISHlocation not on record | 2 |
| University of Hamburglocation not on record | 2 |
| QCNElocation not on record | 2 |
| South Kensington, GB | 2 |
| Montecillo, Texcoco, MX | 2 |
| Nagasaki University - Fisherieslocation not on record | 2 |
| Post Graduate College Bannulocation not on record | 1 |
| Edinburgh, GB | 1 |
| South China Normal Universitylocation not on record | 1 |
| La Paz, BO | 1 |
| Seoul, KR | 1 |
| Fundación Desarrollo y Ambiente FUNDAlocation not on record | 1 |
| College of the Atlantic, Museumlocation not on record | 1 |
| Quito, EC | 1 |
| CASlocation not on record | 1 |
| Universidad Juárez Autónoma de Tabascolocation not on record | 1 |
| Chiba, JP | 1 |
| Kensington, AU | 1 |
| Tuxtla Gutiérrez, MX | 1 |
| Mérida, MX | 1 |
| Denver, US | 1 |
| Riverside, US | 1 |
| Universidad de La Salle (La Salle)location not on record | 1 |
| Bern, CH | 1 |
| J. Rusek Collectionlocation not on record | 1 |
| Universidad Católica de Oriente (UCO)location not on record | 1 |
| Bloomington, US | 1 |
| LDlocation not on record | 1 |
| Herbarium of South China Botanical Gardenlocation not on record | 1 |
| Gujarat Biodiversity Gene Banklocation not on record | 1 |
| *unvoucheredlocation not on record | 1 |
| Taipei, TW | 1 |
| Tuxtla Gutiérrez, MX | 1 |
| Mexico City, MX | 1 |
| Jishou Universitylocation not on record | 1 |
| Jinghong, CN | 1 |
| Uppsala, SE | 1 |
| Honolulu, US | 1 |
| Ischia Marine Centrelocation not on record | 1 |
| Cascavel, BR | 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 Citrus maxima 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.