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Jeffersonia dubia

Jeffersonia dubia

Jeffersonia dubia

Jeffersonia dubia

Jeffersonia dubia

Jeffersonia dubia

Jeffersonia dubia

Jeffersonia dubia

’©‘N”¼“‡–k•”‚©‚ç’†‘“Œ–k•”A‚»‚ê‚ɃAƒ€[ƒ‹’n•û‚É•ª•z‚µ‚Ä‚¢‚Ü‚·BŽR’n‚Ì—Ñ°‚â—щ‚ɶ‚¦A‚‚³‚Í‚Q‚OƒZƒ“ƒ`‚Ù‚Ç‚É‚È‚è‚Ü‚·B—t‚͉~Œ`‚Åæ’[‚ª‚­‚Ú‚ÝAª¶‚µ‚Ü‚·B‚SŒŽ‚©‚ç‚TŒŽ‚²‚ëA‘N‚â‚©‚È“¡F‚̉Ԃðç‚©‚¹‚Ü‚·B–¼‘O‚ÍA“ú˜I푈‚Ì‚Æ‚«‚ÉŒRŠÍu—³“cv‚Ìæˆõ‚ªŽ‚¿‹A‚Á‚½‚±‚Æ‚©‚çB•Ê–¼‚Åu‚¢‚Æ‚Ü‚«‚®‚³iŽ…Šª‘jv‚Æ‚àŒÄ‚΂ê‚Ü‚·‚ªAŠJ‰Ô‚µ‚Ä‚àˆê•”‚Ì—t‚ª“WŠJ‚¹‚¸‚ÉŠª‚¢‚Ä‚¢‚é‚Æ‚±‚ë‚©‚çB 
ƒƒM‰Èƒ^ƒcƒ^ƒ\ƒE‘®‚Ì‘½”N‘‚ÅAŠw–¼‚Í Jeffersonia dubiaB‰p–¼‚Í Twin leafB 
The Twin leaf (Jeffersonia dubia) belongs to Berberidaceae (the Barberry family). It is a perennial herb that is distributed in the northern part of the Korean Peninsula, northeast China, and Amur region. This herb grows on the forest floors and forest edges of the mountainous area, and up to a height of about 20 cm. The leaves are round, the tip is hollowed and basal. The brilliant blue-lavender flowers bloom from April to May. The name was derived from the warship "Tatsuta", because of this crew member brought back this plant, during the Russo-Japanese War. Another name is also called "Itomaki-gusa (thread winding grass)", because of some leaves are rolling without developing even when flowering. 
[ãE’†‚P] ‘åãŽs’ߌ©‹æuç‚­‚₱‚̉ԊÙv‚É‚ÄA2003”N11ŒŽ14“úŽB‰eB
[’†‚Q] “¯ã‚É‚ÄA2004”N09ŒŽ16“úŽB‰eB
[’†‚RE’†‚S] “¯ã‚É‚ÄA2005”N08ŒŽ03“úŽB‰eB
[’†‚UE‰º] “¯ã‚É‚ÄA2017”N09ŒŽ15“úŽB‰eB
[’†‚T] ’·–쌧ˆÉ“ߎs¼t‹ßu‚©‚ñ‚Ä‚ñ‚ςσK[ƒfƒ“v‚É‚ÄA2006”N04ŒŽ04“úŽB‰eB

Shu Suehiro
shu@botanic.jp