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(Upload on October 7 2022) [ 日本語 | English ]

Arecaceae Bercht. et J. Presl, nom. cons. (ヤシ科)






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), Monocotyledonae (単子葉類)]

Palmales (ヤシ)

= Principes and Palmales
consisting of one family

Arecaceae Schultz Sch. (ヤシ)

= Palmae (Palmaceae), palm trees
Apporximately 200 genera with 2600 species
Mostly in tropical regions, and in subtropical and warm temperate regions
Butia (Becc.) Becc. (ヤタイヤシ)
Separated from Cocos L. (ココヤシ)
21 species worldwide
B. eriospatha (Mart. ex Drude) Becc. (ソテツヤシ)
B. yatay (Mart.) Becc. (ヤタイヤシ)
Caryota L. (クジャクヤシ)
13-27 species native to Asia, northern Australia and the South Pacific
C. cumingii Lodd. ex Mart. (クジャクヤシ)
C. mitis Lour. (コモチクジャクヤシ)
Chamaerops L. (チャボトウジュロ)
one species
C. humilis L. (チャボトウジュロ)
Cyrtostachys Blume (ショウジョウヤシ)
7-10 species in tropical, eastern Asia
Transplantged in Japan
C. lakka Becc. (ヒメショウジョウヤシ)
C. renda Blume (ショウジョウヤシ)
Trachycarpus H. Wendl. (シュロ)

Trachycarpus H. Wendl. (シュロ) in Japan

Lifeform: evergreen tree
T. fortunei (Hook.) H. Wendl. (ワジュロ), Chusan palm
T. wagnerianus Hort. ex Becc. (トウジュロ), when established
Leaf/petiole: smaller/shorter ↔ T. fortunei: longer
Leaf: non-nutational ↔ T. fortunei: nutational
T. fortunei × T. wagnerianus (アイジュロ)
Not distributed in Japan
T. geminisectus Spanner et al., China - Vietnam
 T. latisectus T. W. Spanner, H. J. Noltie et M. Gibbons, Sikkim
T. martianus (Wall. ex Mart.) H. Wendl.
T. nanus Becc., China
T. oreophilus Gibbons et Spanner, mainly in Thailand
T. princeps Gibbons, Spanner et San Y. Chen
T. ravenii Aver. et K. S. Nguyen, Laos
T. takil Becc., India - western Nepal
T. ukhrulensis M. Lorek et K. C. Pradhan, Assam - India
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