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| June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
| Family | Araliaceae (also placed in Apiaceae (alt. Umbelliferae)) |
| Subfamily | Hydrocotyloideae |
| Scientific name | Hydrocotyle prolifera Kellogg |
| Synonyms | Hydrocotyle ambigua (A. Gray) Britton et al.; Hydrocotyle australis J. M. Coulter & Rose; Hydrocotyle bonariensis Commerson ex Lamarck var. tribotrys (Ruiz López & Pavón) G. Don; Hydrocotyle canbyi J. M. Coulter & Rose; Hydrocotyle fetherstoniana Jennings; Hydrocotyle polystachya A. Richard; Hydrocotyle racemosa Sessé y Lacasta & Moçiño ex de Candolle; Hydrocotyle tribotrys Ruiz López & Pavón; Hydrocotyle trilobulata Gandoger; Hydrocotyle umbellata L. var. ambigua A. Gray; Hydrocotyle verticillata Thunberg var. fetherstoniana (Jennings) Mathias; Hydrocotyle verticillata Thunberg var. longipedunculata Urban; Hydrocotyle verticillata Thunberg var. pluriradiata Urban; Hydrocotyle verticillata Thunberg var. racemosa (Sessé y Lacasta & Moçiño ex de Candolle) Mathias; Hydrocotyle verticillata Thunberg var. tenella Urban; Hydrocotyle verticillata Thunberg var. tridecimnervis Urban; Hydrocotyle verticillata Thunberg var. triradiata (A. Richard) Fernald |
| Common name | (Japanese common name) uchiwa zeni-kusa (ウチワセリクサ, 団扇芹草 [meaning: wind fan pennywort]), tateba-chidome (タテバチドメ, 立葉血止 [meaning: standing leaves hemostasis weed]) |
| (English common name) whorled water pennywort, whorled marsh pennywort | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) [native] Southern USA | |
| Habitat | Swamp |
| Chromosomal number | 2n=96 |
| Description | Leaves 2-5cm across. Flowers flowering in April to June. Perennial plants. |
| Reference | Hydrocotyle prolifera Kellogg |
| Hydrocotyle verticillata Thunb. var. triradiata (A. Rich.) Fernald | |
| Hydrocotyle L. | |
| Note | Naturalized plants (first reported in 1988). |
| Some authors have described that Hydrocotyle prolifera Kellogg is a synonym of Hydrocotyle verticillata Thunberg. |
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| June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
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| June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
June 2008 at Kochi Prefecture Makino Botanical Garden |
