⚠ sources differ — GIFT: herb · TRY: Herbaceous perennial
Woodinessnon-woody
Physiology & chemistry7
Leaf c394 mg/g
Leaf dry-matter content (LDMC)291 mg/g
Leaf n19.15 mg/g
Leaf p2.1 mg/g
Photosynthetic pathwayC3
Specific leaf area (SLA)5.5 mm²/mg
Wood density417 mg/cm³
03Chemical composition16 compounds
Compounds documented for Silphium laciniatum across natural-product and food-composition databases — not just the ~150 nutrients on a classic label ("nutritional dark matter").
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 Silphium laciniatum has left across the world's sequence archives.
At a glance
DNA specimens17
Marker genes5
eDNA detections9
Countries2
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.
★matK★rbcL★rbcLa★ITS★ITS2
plant barcodefungal barcode
06Genome at a glanceCCDB
The complete instruction manualSilphium laciniatum 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
Genome size8 166 300 000 bp
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).
BACTERIUM Carsonella ruddii0.00016 Gb
FUNGUS0.04 Gb
INSECT0.25 Gb
HUMAN3.2 Gb
THIS GENOME Silphium laciniatum8.17 Gb
WHEAT17 Gb
FERN Tmesipteris160.45 Gb
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.
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Coordinate accuracy89% within 1 km
≤100 m 5 592≤1 km 1 209≤10 km 299>10 km 553
7 653 georeferenced · 1 431 without coordinates
Open the mapobservation + sensor9 084
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 accuracy44% within 1 km
≤100 m 39≤1 km 178≤10 km 200>10 km 72
489 georeferenced · 271 without coordinates
Open the institutions mapphysical evidence760
Cultivated / Captivenot free-living
A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.
Coordinate accuracy33% within 1 km
≤1 km 1≤10 km 2
3 georeferenced
Open the mapnot free-living3
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 institutions55 of 73 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
Wuzhou, CN
192
St. Paul, US
83
Bloomington, US
42
Fort Worth, US
38
Bronx, US
32
Saint Louis, US
29
Chongqing Museumlocation not on record
28
Austin, US
22
University of Stellenboschlocation not on record
19
Jackson, US
16
Emporia, US
14
US
14
Mississippi State, US
13
Denver, US
12
Lincoln, US
10
Chadron, US
10
Ann Arbor, US
9
Museum of the Rockieslocation not on record
8
Dekalb, US
8
Chicago, US
7
BAYLUlocation not on record
6
Bangkok, TH
6
Pittsburg, US
6
Chicago, US
6
Whitewater, US
6
Davenport, US
6
Columbus State Universitylocation not on record
5
Kirksville, US
5
Burlington, US
5
Little Rock, US
5
Waverly, US
4
Denton, US
4
Fayetteville, US
4
Tuscaloosa, US
4
US
4
Springfield, US
3
GB
3
Flagstaff, US
3
Stockholm, SE
3
Madison, US
3
Canadian Department of Agriculturelocation not on record
3
Conway, US
2
San Luis Obispo, US
2
Albuquerque, US
2
SLU Artdatabankenlocation not on record
2
Adam Mickiewicz University in Poznańlocation not on record
2
Green Bay, US
2
Edmonton, CA
2
University of Guelph, OAC Herbariumlocation not on record
2
Boise, US
2
Chapel Hill, US
2
DOI/NPS, Colonial National Historical Parklocation not on record
2
San Angelo, US
1
China Agricultural Universitylocation not on record
1
Claremont, US
1
Longwood Universitylocation not on record
1
AUAlocation not on record
1
Miami, US
1
Montréal, CA
1
Texas Lutheran Universitylocation not on record
1
Riverside, US
1
Turlock, US
1
University of Southern Mississippilocation not on record
1
Podgorica, ME
1
Phoenix, US
1
Northridge, US
1
LDlocation not on record
1
Plocation not on record
1
EL PASO, US
1
Lubbock, US
1
Beijing, CN
1
CJBGlocation not on record
1
Philadelphia, US
1
73 institutions · 743 of 760 vouchered records shown · 17 without an institution code
Cultivated / Captivenot free-living
A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.
09Environmental DNA9 detections
Where the DNA of Silphium laciniatum 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 found9
Studies independent surveys1
Countries2
Signal confidence: weakweighed across independent studies, places & mapped detections
Where its DNA was found
0 of 9 detections have coordinates
Open the map2 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.
Modelled climatemodelled
−15°Ctemperature across detection sites+40°C
Temperature median25.9 °C 13.2–27.0
Seasonal swing summer↔winter20.8 °C
Max temp (day)31.4 °C 16.3–32.4
Min temp (night)20.9 °C 10.0–22.6
Precipitation115 mm/mo 82.8–115
Air humidity58.5 % 58.3–60.3
Moisture balance-49.2 mm/mo -69.7–-19.7
Vapour deficit1,393 Pa 808–1,429
Wind speed2.10 m/s 1.90–3.70
Cloud cover33.4 % 28.7–41.8
CHELSA 1981–2010, ~9 km grid, at location & month of 7 detection points · median with p10–p90 · reflects where sampling happened, not only the true niche
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.
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility9 847 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI9 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics17 specimens↗
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
Paleobiology DatabasePBDB consortiumfossil record↗