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| August 2007 at Ushiku Forest Park |
August 2007 at Ushiku Forest Park |
August 2007 at Ushiku Forest Park |
| Family | Lamiaceae (alt. Labiatae) |
| Subfamily | Lamioideae |
| Scientific name | Leonurus japonicus Houttuyn |
| Synonyms | Cardiochilum heterophyllum (Sweet) Kreczetovicz & Kuprianova; Leonurus artemisia (Loureiro) S. Y. Hu; Leonurus altissimus Bunge ex Bentham; Leonurus condensatus Hornemann; Leonurus heterophyllus Sweet; Leonurus sibiricus auct., non L.; Stachys artemisia Loureiro |
| Common name | (Japanese common name) me-hajiki (メハジキ, 目弾き [meaning: repelling on eyes]), yakumo-sou (ヤクモソウ, 益母草 [meaning: herbal medicine for woman]) |
| (English common name) Chinese motherwort | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia (Far East), Korea, China, Taiwan, Vietnam, Thailand, Laos, Cambodia, Malaysia, Australia, Myanmar, Nepal, India, Canada, USA | |
| Habitat | Roadside, field |
| Chromosomal number | 2n=20 |
| Description | Plants electing 50-150cm tall. Leaves 5-10cm long, long petioles at lower leaves. Flowers calyxs 5-7mm long, purple corollas 10-13mm long, 4 stamens, flowering in July to September. Fruits ca. 2.3mm long. Winter annual plants. |
| Reference | Leonurus japonicus Houtt. |
| Leonurus japonicus Houttuyn |
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| August 2007 at Ushiku Forest Park |
August 2007 at Ushiku Forest Park |
August 2007 at Ushiku Forest Park |
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| July 2008 at Kochi Prefecture Makino Botanical Garden |
July 2008 at Kochi Prefecture Makino Botanical Garden |
July 2008 at Kochi Prefecture Makino Botanical Garden |
