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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
Caryota L. (クジャクヤシ)
Chamaerops L. (チャボトウジュロ)
Cyrtostachys Blume (ショウジョウヤシ)
Trachycarpus H. Wendl. (シュロ)

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) grown 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) 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