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(Upload on July 11 2021) [ 日本語 | English ]

Betulaceae Bray (カバノキ科)






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

[Engler's syllabus (エングラー体系)]

Alnus Mill. (ハンノキ)
Betula L. (カバノキ)
Carpinus L. (クマシデ)
Corylus L. (ハシバミ)
Ostrya Scop. (アサダ)

[ フランキア | Frankia ]

Alnus Mill. (ハンノキ, alder) in Japan


Developing root tubercles (根粒)
Subgenus Alnus (ハンノキ): dormant bud or winter bud without stalk, fruits developing wing
A. fauriei Lev. et Van't. (ミヤマカワラハンノキ)
A. hakkodensis Hayashi (サルクラハンノキ)
A. hirsuta Turcz. (ヤマハンノキ)
A. japonica (Thunberg) Steud. (ハンノキ)
A. matsumurae Callier (ヤハズハンノキ)
A. serrulatoides Callier (カワラハンノキ), south to Chubu District
A. trabeculosa Hand.-Mazz. (サクラバハンノキ)
Subgenus Alnaster (ヤシャブシ): dormant bud or winter bud with stalk, fruits not developing wing
A. firma Sieb. et Zucc. (ヤシャブシ)

var. hirtella Franch. et Savat. (ミヤマヤシャブシ)

A. maximowiczii Call. (ミヤマハンノキ)
A. pendula Matsumura (ヒメヤシャブシ)
A. sieboldiana Matsumura (オオバヤシャブシ)
Hybrids
A. × borealis Koidz. (ヒロハハンノキ)
A. × hosoii Mizushima (イワキハンノキ)
A. × mayrii Call. (ウスゲヒロハハンノキ/クシロヒロハハンノキ) = A. japonica × A. hirsuta, Korea - northern Honshu - Hokkaido
A. × moriokaensis Murai (モリオカハンノキ)
A. × peculiaris Hiyama (タルミヤシャブシ)
A. × suginoi Sugimoto (ウラジロカワラハンノキ)
Non-Japanese
A. crispa (Aiton) Pursh
A. glutinosa (L.) Gaertn. (セイヨウヤマハンノキ)
A. mandshurica (Callier) Hand.-Mazz. (マンシュウハンノキ)

Betula L. (カバノキ, birch)


Japan
There are three common birch species: B. ermanii, B. maximowicziana, and B. platyphylla in Hokkaido.
B. alleghaniensis Britton (キハダカンバ), eastern North America
B. apoiensis Nakai (アポイカンバ)
B. chichibuensis H. Hara (チチブミネバリ)
B. chinensis Maxim. (トウカンバ), China
B. corylifolia Regel et Maxim. (ネコシデ)
B. costata Trautv. (チョウセンミネバリ)
B. davurica Pall. (ヤエガワカンバ)
B. ermanii Cham. (ダケカンバ)
B. fruticosa Pall. (コウアンヒメオノオレ)
B. globispica Shirai (ジゾウカンバ)
B. grossa Siebold et Zucc. (ミズメ)
B. maximowicziana Regel (ウダイカンバ)
B. middendorffii Trautv. et C. A. Mey. (ポロナイカンバ)
B. ovalifolia Rupr. (ヤチカンバ)
B. pendula Roth (オウシュウシラカンバ/シダレカンバ), Europe

many varieties, used for park and street tree, building and appliance wood

B. platyphylla Sukaczev var. japonica (Miq.) H. Hara (シラカンバ)
B. schmidtii Regel (オノオレカンバ)

f. angustifolia (Shirai) Sugim. ex H. Ohba (ホソバオノオレ)

Hybrids
B. × avaczensis Kom., hybrid between B. platyphylla and B. ermanii
Alaska
B. nana L. (ヒメカンバ)
B. papyrifera Marshall (カミカンバ)

Carpinus L. (クマシデ) in Japan


C. cordata Bl. (サワシバ)
C. japonica Bl. (クマシデ), not in Hokkaido

var. cordifolia Winkl. (オオクマシデ)

C. laxiflora (Sieb. et Zucc.) Bl. (アカシデ)
C. tschonoskii Maxim. (イヌシデ)
C. turczaninovii Hance (イワシデ), south to Chugoku District

Corylus L. (ハシバミ) in Japan


C. avellana L. (セイヨウハシバミ)
C. hallaisanensis Nakai (ツボハシバミ)
C. heterophylla Fisch. ex Besser (ハシバミ, s.l.)

var. heterophylla (オオハシバミ)
var. thunbergii Blume (ハシバミ)
var. yezoensis Koidz. (エゾハシバミ)

C. sieboldiana Blume (ツノハシバミ)

Ostrya Scop. (アサダ) in Japan


7 spp. in the temperate regions of the Northern Hemisphere
One species in Japan
O. japonica (アサダ)
Transplantation
O. virginiana (Mill.) K. Koch (アメリカアサダ)
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