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| April 2009 at my home |
April 2007 at open field |
April 2007 at open field |
| Family | Plantaginaceae (also placed in Scrophulariaceae) |
| Family | Veroniceae |
| Scientific name | Veronica arvensis L. |
| Synonyms | Cardia arvensis (L.) Dulac; Veronica arvensis L. subsp. pennellii Elenenevsky; Veronica bellardii Allioni; Veronica demissa Sampaio; Veronica hirsuta Luce; Veronica polyanthos Thuillier; Veronica pseudoarvensis Tineo; Veronica racemifoliata Perez Lara; Veronica sartoriana Boissier & Heldreich; Veronica simplex Opiz ex Schultes |
| Common name | (Japanese common name) tachi-inu-no-fuguri (タチイヌノフグリ, 立犬陰嚢 [meaning: standing testicles of dogs]) |
| (English common name) corn speedwell, wall speedwell | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Russia, India, Pakistan, Afghanistan, Cyprus, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey, Caucasus, Europe, Algeria, Morocco, Tunisia | |
| Habitat | Fields, farm yard, roadside |
| Chromosomal number | 2n=16 |
| Description | Plants 7-25cm tall. Leaves 5-15mm long, 3-14mm wide. Flowers blue corollas ca. 4mm across, flowering in April to May. Annual plants. |
| Reference | Veronica arvensis L. |
| Veronica arvensis L. | |
| Veronica arvensis L. | |
| Herbicidal combinations (US Patent 6090750/2000) | |
| Note | Naturalized plants (discovered in 19th Century) |
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| April 2009 at my home |
April 2007 at open field |
April 2007 at open field |
