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| July 2007 at open field |
July 2007 at open field |
| Family | Linaceae |
| Scientific name | Linum medium (Planchon) Britton var. medium |
| Synonyms | Linum striatum Walter var. medium (Planchon) Boivin; Linum virginianum L. var. medium Planchon |
| Common name | (Japanese common name) kibana-matsuba-ninjin [yellow flowers and pine leaves carrot] |
| (English common name) stiff yellow flax | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) [native] Canada, USA | |
| Chromosomal number | n=15, 2n=30 |
| Description | Plants 20-70cm. Leaves 1-2cm length. Flowers 5 yellow petals each 5-8mm, flowering in July to September. Annual plants. |
| Reference | Linum medium (Planch.) Britton var. medium |
| Linum medium (Planch.) Britt. var. medium | |
| Note | Naturalized plants (first reported in 1943) |
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| July 2007 at open field |
July 2007 at open field |
