Carpinus laxiflora

{{Short description|Species of plant}}

{{Speciesbox

|image=서어나무.JPG

|image_caption=Habit

|image2=Carpinus laxiflora bonsai - Longwood Gardens - DSC01262.JPG

|image2_caption=As bonsai

|status=DD

|status_system=IUCN3.1

|status_ref={{cite iucn |author1=Shaw, K. |author2=Roy , S. |author3=Wilson, B. |doi=10.2305/IUCN.UK.2014-3.RLTS.T194624A2353470.en |page=e.T194624A2353470 |title=aka-shide Carpinus laxiflora |volume=2014 |year=2014 |access-date=2 May 2023 }}

|genus=Carpinus

|species=laxiflora

|authority=(Siebold & Zucc.) Blume

|synonyms_ref=

|synonyms={{Collapsible list|

• Carpinus laxiflora var. chartacea {{small|H.Lév.}}
• Carpinus laxiflora f. lacera {{small|Hayashi}}
• Carpinus laxiflora var. longispica {{small|Uyeki}}
• Carpinus laxiflora var. macrophylla {{small|Nakai}}
• Carpinus laxiflora f. macrophylla {{small|(Nakai) W.Lee}}
• Carpinus laxiflora var. macrothyrsa {{small|Koidz.}}
• Carpinus laxiflora f. pendula {{small|(Miyoshi) Sugim.}}
• Carpinus laxiflora var. pendula {{small|Miyoshi}}
• Distegocarpus laxiflora {{small|Siebold & Zucc.}}

}}}}

Carpinus laxiflora, the aka-shide, loose-flower hornbeam, or loose-flowered hornbeam, is a species of flowering plant in the family Betulaceae, native to the Korean Peninsula, and Japan.{{cite POWO |id=295265-1 |title=Carpinus laxiflora (Siebold & Zucc.) Blume |access-date=2 May 2023}}{{cite web |url=https://bigtree.cnre.vt.edu/detail.cfm?AutofieldforPrimaryKey=2760 |title=loose-flower hornbeam Carpinus laxiflora |last1=Madden |first1=Virg |date=2020 |website=Virginia Big Tree Program |publisher=Virginia Tech |access-date=2 May 2023 }}{{cite book |title=The Beginner's Guide to American Bonsai |last1=Stowell |first1=Jerald P. |year=1978 |page=129 |isbn=9784770013026 }} A deciduous tree of mountain forests, and typically {{cvt|10|to|15|m}} tall, it is used in bonsai, and rarely as a park or street tree.{{cite web |url=https://www.treesandshrubsonline.org/articles/carpinus/carpinus-laxiflora/ |title=Carpinus laxiflora (Sieb. & Zucc.) Blume |author= |date=2023 |website=treesandshrubsonline.org |publisher=International Dendrology Society |access-date=2 May 2023 }}{{cite journal |title=The Global Urban Tree Inventory: A database of the diverse tree flora that inhabits the world's cities |year=2020 |last1=Ossola |first1=Alessandro |last2=Hoeppner |first2=Malin J. |last3=Burley |first3=Hugh M. |last4=Gallagher |first4=Rachael V. |last5=Beaumont |first5=Linda J. |last6=Leishman |first6=Michelle R. |journal=Global Ecology and Biogeography |volume=29 |issue=11 |pages=1907–1914 |doi=10.1111/geb.13169 |bibcode=2020GloEB..29.1907O |s2cid=225429443}} It is available from commercial suppliers.{{cite web |title=Carpinus laxiflora |url=https://www.rhs.org.uk/plants/28831/i-carpinus-laxiflora-i/details |date=2023 |publisher=The Royal Horticultural Society |access-date=2 May 2023 |quote=3 suppliers}} In addition to the rather rustic unimproved species, a weeping form called 'Pendula', and a sport with variegated leaves called 'Variegata' are available.

{{Gallery

|서어나무 꽃 2.JPG|Flowers are lax

|서어나무 꽃.JPG|Flowers emerge before leaves

|Carpinus laxiflora1.jpg|Leaves

|Carpinus laxiflora3.jpg|Bark

|Carpinus laxiflora.jpg|Bole

|Carpinus laxiflora4.jpg|Unripe seed propagules

|Sajigami shrines Shidare-Akashide B.JPG|A weeping individual designated a Natural Monument of Japan

}}