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(Upload on August 4 2024) [ 日本語 | English ]

Commelinaceae Mirb. (ツユクサ科)






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)]
Commelinales ツユクサ目
Commelinaceae (ツユクサ科)
Dayflower or Spiderwort Family
ca 40 genera, and > 650 spp. worldwide, mostly in tropical and temperate regions
Commelina Plum. ex L.(ツユクサ)
Gibasis Raf. (ヒメトキワツユクサ)
G. pellucida (M. Martens et Galeotti) D. R. Hunt (ヒメトキワツユクサ)
Pollia Thunb. (ヤブミョウガ)
Tradescantia L. (ムラサキツユクサ)

Commelina L. (ツユクサ)


ca 170 species worldwide
Species in Japan
C. benghalensis L. (マルバツユクサ): west to Honshu
C. diffusa Burman fil. (シマツユクサ): Below Kyushu (annual)
C. auriculata Bl. (ホウライツユクサ): Western Honshu
C. communis (ツユクサ): East Asia

Pollia Thunb. (ヤブミョウガ) in Japan


P. japonica Thunb. (ヤブミョウガ)
P. hasskarlii R. S. Rao (ナンゴクヤブミョウガ)
P. secundiflora (Blume) Bakh. f. (ザルゾコミョウガ), Ishigaki Island

Commelina L. (ツユクサ)

Tradescantia L. (ムラサキツユクサ), spiderwort


T. cerinthoides Kunth (シキンツユクサ), syn. T. blossfeldiana Mildbl.
T. fluminensis Vell. (ミドリハカタカラクサ), syn. T. albiflora Kunth (called オオトキワツユクサ)
T. mundula Kunth (ノハカタカラクサ), syn. T. fluminensis Vell. f. bicolor Voss, T. fluminensis, auct. non Vell.
T. navicularis Ortega (カサネオウギ)
T. ohiensis Raf. (ムラサキツユクサ), syn. T. reflexa Raf.
T. pallida (Rose) D. R. Hunt (ムラサキオオツユクサ)
T. sillamontana Matuda (ビロードツユクサ)
T. spathacea Sw. (ムラサキオモト)
T. virginiana L. (オオムラサキツユクサ)

⇒ Often used for the observations of cell divisions

T. × andersoniana W.Ludw. et Rohweder (アンダーソンムラサキツユクサ)
T. zebrina Heynh. ex Bosse (シマムラサキツユクサ)
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