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Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

Quercus acutissima

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ƒuƒi‰ÈƒRƒiƒ‰‘®‚Ì—Ž—t‚–؂ŁAŠw–¼‚Í Quercus acutissimaB‰p–¼‚Í Sawthorn oakAKunugiB
THe sawthorn oak (Quercus acutissima) belongs to Fagaceae (the Beech family). It is a tall deciduous tree that is distributed southward from Iwate-Yamagata prefecture of Honshu to Shikoku and Kyushu, as well as the Korean Peninsula, China and Southeast Asia. This tree grows in the hills and mountains and can reach about 15 m in height. The barks are grayish brown and furrowed into irregular ridges. The leaves are oblong-lanceolate, alternate with wavy toothed edges. The yellow-brown inflorescences are borne almost as soon as foliation in April to May. The male inflorescences are drooping and the female ones are upper part. The fruits are nuts about 2 cm in diameter.
[ã] “Þ—ÇŽsŽGŽi’¬uŽá‘ŽRv‚ɂāA2007”N04ŒŽ20“úŽB‰eB
[’†‚P] “Þ—ÇŒ§ŽO‹½’¬¨–ì–k‚ɂāA2006”N04ŒŽ14“úŽB‰eB
[’†‚Q] ‘åã•{Œð–ìŽsu‘åãŽs‘å•t‘®A•¨‰€v‚ɂāA2006”N03ŒŽ01“úŽB‰eB
[’†‚SE’†‚U] “¯ã‚ɂāA2005”N12ŒŽ01“úŽB‰eB
[’†‚R] ‹ž“sŽs¶‹ž‹æu‹ž“s•{—§A•¨‰€v‚ɂāA2005”N08ŒŽ16“úŽB‰eB
[’†‚T] ‹ž“s•{‰FŽ¡Žsu‰FŽ¡ŽsA•¨Œö‰€v‚ɂāA2006”N01ŒŽ12“úŽB‰eB
[’†‚VE’†‚W] ‚³‚¢‚½‚ÜŽs÷‹æu“c“‡ƒ–Œ´v‚ɂāA2012”N04ŒŽ01“úŽB‰eB
[’†‚XE’†‚P‚O] ˆïéŒ§“߉ώsuˆïéŒ§A•¨‰€v‚ɂāA2012”N12ŒŽ09“úŽB‰eB
[’†‚P‚Q] “¯ã‚ɂāA2015”N02ŒŽ01“úŽB‰eB
[’†‚P‚P] •Ÿ“‡Œ§‘åŒF’¬u“ú‰BŽRv‚ɂāA2014”N12ŒŽ06“úŽB‰eB
[’†‚P‚R`‚P‚SE‰º] •Ÿ“‡Œ§‚¢‚í‚«ŽsuÎXŽRv‚ɂāA2020”N01ŒŽ19“úŽB‰eB

Shu Suehiro
shu@botanic.jp