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Pyrus (pear)

Angiospermae - Rosales - Rosaceae

Taxonomy
Pyrus was named by Linnaeus (1753). It is extant. Its type is Pyrus communis.

It was assigned to Pomaceae by Knowlton (1919); and to Rosaceae by Lakhanpal et al. (1976), Chauhan (1991).

Species
P. communis (type species), P. coronaria, P. cretacea, P. cydonia, P. lanata, P. malus, P. pashia
Species lacking formal opinion data
P. hokiensis, P. microsperma, P. oregonensis

Synonymy list
YearName and author
1753Pyrus Linnaeus
1919Pyrus Knowlton
1976Pyrus Lakhanpal et al.
1991Pyrus Chauhan

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classAngiospermae
—Rosids
—Eurosids
RankNameAuthor
—Fabid
orderRosales
familyRosaceae
genusPyrus

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. Pyrus Linnaeus 1753 [pear]
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Pyrus communis Linnaeus 1753
Pyrus coronaria Linnaeus 1753
†Pyrus cretacea Newberry 1868
Pyrus cydonia Linnaeus 1753
Pyrus lanata Don 1825
Pyrus malus Linnaeus 1753
Pyrus pashia Buchanan-Hamilton 1825
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Diet: "photoautotroph"p
Created: 2011-07-22 00:04:15
Modified: 2011-07-21 09:04:15
Source: p = phylum
Reference: Kiessling 2009

Age range

Maximum range based only on fossils: base of the Coniacian to the top of the Pleistocene or 89.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Coniacian - Campanian89.8 - 72.2Canada (British Columbia) Pyrus sp. (35218)
Late/Upper Oligocene - Late/Upper Eocene27.3 - 33.9USA (Oregon) Pyrus oregonensis (35921)
Miocene - Pliocene23.04 - 2.58Japan (Nagano) Pyrus hokiensis (22796)
Burdigalian20.45 - 15.98Germany (Bayern) Pyrus sp. (28280 28282 28284)
Serravallian13.82 - 11.63Germany (Brandenburg) Pyrus microsperma (23050 23056 23355 27526 27528)
Late/Upper Miocene11.63 - 5.333Japan (Gunma) Pyrus hokiensis (22755)
Pleistocene2.58 - 0.0117India (Jammu & Kashmir) Pyrus lanata (225944)
Pleistocene2.58 - 0.0117India (Kashmir) Pyrus communis (224613) Pyrus pashia (224612) Pyrus sp., Pyrus malus (224614)