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| May 2007 at roadside |
May 2007 at roadside |
| Family | Campanulaceae |
| Subfamily | Campanuloideae |
| Scientific name | Triodanis perfoliata (L.) Nieuwland |
| Synonyms | Campanula amplexicaulis Michaux; Campanula flagellaris Kunth; Campanula perfoliata L.; Dysmicodon perfoliatum (L.) Nuttall; Legouzia perfoliata (L.) Britton; Lobelia sessilifolia Willdenow ex Schultes; Pentagonia perfoliata (L.) Kuntze; Prismatocarpus perfoliatus (L.) Sweet; Specularia perfoliata (L.) A. de Candolle; Specularis perfoliata (L.) A. de Candolle forma alba (J. W. Voigt) Steyermark; Triodanis perfoliata (L.) Nieuwland forma alba J. W. Voigt; Triodanis perfoliata (L.) Nieuwland var. biflora (Ruiz López & Pavón) T. R. Bradley; Triodanis rupestris Rafinesque |
| Common name | (Japanese common name) kikyou-sou (キキョウソウ, 桔梗草 [meaning: Campanula weed]) |
| (English common name) clasping Venus' looking-glass | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) [native] Canada, USA, Mexico | |
| Chromosomal number | unknown |
| Description | Plants electing 15-100cm tall. Leaves 1-3cm long. Flowers blue purple corollas 1.5-1.8cm, flowering in May to July. Annual plants. |
| Reference | Triodanis perfoliata (L.) Nieuwl. |
| Triodanis perfoliata (L.) Nieuwl. | |
| Specularia perfoliata (L.) A. DC. - Rydberg - Venus' Looking Glass | |
| Note | Naturalized plants (introduced in early 20th). |
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| May 2007 at roadside |
May 2007 at roadside |
