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Cyperus (sedge)
Taxonomy
Cyperus was named by Linnaeus (1753). It is extant. Its type is Cyperus esculentus.
It was assigned to Cyperaceae by Knowlton (1919), Brown (1959), Thomasson (1976) and Chauhan (1991).
It was assigned to Cyperaceae by Knowlton (1919), Brown (1959), Thomasson (1976) and Chauhan (1991).
Species
C. articulatus, C. arundinacea, C. braunianus, C. chavannesi, C. compressus, C. elegans, C. esculentus (type species), C. filiferus (syn. Eopuntia douglassi, Carpolithus filiferus), C. flavescens, C. fuscus, C. haspan, C. iria, C. longus, C. minimus, C. papyrus, C. rotundus, C. strigosus, C. unioloides
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Cyperus Linnaeus 1753 [sedge]
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Cyperus articulatus Linnaeus 1753
Cyperus arundinacea Linnaeus 1753
†Cyperus braunianus Heer 1855
†Cyperus chavannesi Heer 1855
Cyperus compressus Linnaeus 1753
Cyperus elegans Linnaeus 1753
Cyperus esculentus Linnaeus 1753
†Cyperus filiferus Cockerell 1923
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Invalid names: Carpolithus filiferus Cockerell 1923 [synonym], Eopuntia douglassi Chaney 1944 [synonym]
Cyperus flavescens Linnaeus 1753
Cyperus fuscus Linnaeus 1753
Cyperus haspan Linnaeus 1753
Cyperus iria Linnaeus 1753
Cyperus longus Linnaeus 1753
Cyperus minimus Linnaeus 1753
Cyperus papyrus Linnaeus 1753
Cyperus rotundus Linnaeus 1753
Cyperus strigosus Linnaeus 1753
Cyperus unioloides Brown 1810
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Campanian to the top of the Pleistocene or 83.50000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | Canada (Alberta) | Cyperus sp. (34894) | |
| Bridgerian | USA (Wyoming) | Cyperacites filiferus (21389) | |
| Rupelian | Russian Federation (Tiumensky) | Cyperus sp. (22849) | |
| Chattian | Germany (Sachsen) | Cyperus leptodermis (24179 26264) | |
| Late/Upper Miocene - Middle Miocene | Russian Federation (Omsk) | Cyperus sp. (24093) | |
| Late/Upper Hemphillian | USA (California) | Cyperus sp. (35271) | |
| Late/Upper Hemphillian - Blancan | USA (Indiana) | Cyperus sp. (18320) | |
| Messinian | USA (Alaska) | Cyperus spp. (123352) | |
| Pliocene - Pleistocene | Italy (Umbria) | Cyperus sp. (51756) | |
| Late/Upper Pliocene | Russian Federation (Omsk) | Cyperus glomeratus, Cyperus fuscus (24096) | |
| Piacenzian | Germany (Thuringia) | Cyperus fuscus (22779 22780) | |
| Piacenzian | Italy (Piemonte) | Cyperus glomeratus (27023) | |
| Pleistocene | India (Kashmir) | Cyperus sp. (224613 224751) | |
| Late/Upper Pleistocene - Holocene | Australia (Queensland) | Cyperus unioloides (168747 168749 168750 168751 168752 168753 168754 168755 168756) |