Pyrus calleryana




Family Rosaceae
Scientific name Pyrus calleryana Decaisne
Synonyms Pyrus calleryana Decne. forma graciliflora Rehder; Pyrus calleryana Decne. forma tomentella Rehder; Pyrus kawakamii Hayata
Common name (Japanese common name) mame-nashi [tiny pear]
(English common name) Bradford pear, callery pear
Distribution (Japan) Honshu (Nagano Prefecture, Gifu Prefecture, Aichi Prefecture, Mie Prefecture)
(Other nations) Korea, China, Taiwan, Vietnam
Chromosomal number 2n=34
Description Plants 5-8m tall. Leaves 4-8cm long, 3.5-6cm wide. Flowers white ca. 2-2.5cm, flowering in April to May. Deciduous. Arbor or subarbor trees.
Reference Pyrus calleryana Decne.
Pyrus calleryana Decaisne
Transgenic pomaceous fruit with fire blight resistance (US Patent 6100453/2000)
Compositions and methods for modulating pigment production in plants (WIPO Patent WO/2007/027105)
Production of nursery stock of pear tree (Japanese Patent JP05137455/1993)
Note Rare species.



May 2008
at Tsukuba Botanical Garden
May 2008
at Tsukuba Botanical Garden
May 2008
at Tsukuba Botanical Garden



May 2008
at Tsukuba Botanical Garden
May 2008
at Tsukuba Botanical Garden



May 2008
at Tsukuba Botanical Garden
May 2008
at Tsukuba Botanical Garden