(First upload on September 15 2008. Last on March 3 2017) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Commelinaceae (ツユクサ科) > Tradescantia ohiensis
⇒ Commelina L. (ツユクサ)
T. albiflora Kunth (オオトキワツユクサ)
cv. albo-vittata (シラフオオトキワツユクサ) T. blossfeldiana Mildbl. (シキンツユクサ)T. flumiensis Vell. (ノハカタカラクサ/トキワツユクサ) |
cv. variegata (シロフハカタカラクサ) T. navicularis Ortega (カサネオウギ)T. ohiensis Raf. (ムラサキツユクサ) T. pallida (Rose) D. R. Hunt (ムラサキオオツユクサ) T. spathacea Sw. (ムラサキオモト) |
T. virginiana L. (オオムラサキツユクサ) T. zebrina Heynh. ex Bosse (シマムラサキツユクサ) ⇒ Often used for the observations of cell divisions |
Murasakitsuyukusa (ムラサキツユクサ, 紫露草), bluejacket (dayflower) Life form: perennial forb Distribution: exotic to Japan (native to the New World) Habitat: bascially urbanized habitats, such as raodside, park and garden, in the case of Japan Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) |
Flower: 2-2.5 cm in diameter Sepal: hairless ↔ T. virginiana: hair Chromosome number: 2n = 12 or 24 Synonyms (more): T. canaliculata Raf., T. foliosa Small, T. incarnata Small, T. ohiensis Raf. var. foliosa (Small) MacRoberts, T. reflexa Raf. (including f. albiflora Slavin et Nieuwl. and f. lesteri Standl.) |
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[1] along a roadside at Soen, Sapporo City on June 18 1988. [2-4] a parking lot along a radoside at East Ward in the city of Sapporo on August 30, 2008.
Murasakiomoto (ムラサキオモト, 紫万年青), moses-in-the-boat, oyster plant Lifeform: evergreen perennial herb Distribution: Mexico - the West Indies imported to Japan in Edo Era Use: gardening (groundcover and ornamental foliage plant) |
Synonyms:
Rhoeo spathacea (Sw.) Stearn, used when separated from Tradescantia |
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[1-3] grown in a greenhouse, CAST, HU, on January 24 2017.