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(First upload on September 15 2008. Last on March 3 2017) [ 日本語 | English ]

Tradescantia L. (ムラサキツユクサ) 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.)

Tradescantia ohiensis in Hokkaido

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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.

Tradescantia spathacea Sw. for gardening

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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 Rhoeo discolor (L'Hér.) Hance Cultivars: variegata, nana-variegata, etc.

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[1-3] grown in a greenhouse, CAST, HU, on January 24 2017.