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| October 2009 at Tsukuba Botanical Garden |
October 2009 at Tsukuba Botanical Garden |
| Family | Hydrocharitaceae |
| Scientific name | Ottelia alismoides (L.) Persoon |
| Synonyms | Boottia alata Gagnepain; Boottia bodinieri (H. Léveillé & Vaniot) H. Léveillé & Vaniot; Boottia lanceolata Gagnepain; Boottia thorelii Gagnepain; Damasonium alismoides (L.) R. Brown; Damasonium indicum Willdenow; Damasonium javanicum Blume; Damasonium lactucifolium Planchon; Damasonium lancifolium C. Presl; Damasonium timorense Zippelius ex Spanoghe; Damasonium tranquebariense Schultes f.; Hydrocharis bodinieri H. Léveillé & Vaniot; Hymenotheca latifolia Salisbury; Ottelia alata (Gagnepain) H. Li; Ottelia alismoides (L.) Persoon forma lacustris Komarov; Ottelia alismoides (L.) Persoon forma oryzetorum Komarov; Ottelia alismoides (L.) Persoon var. cordifolia Kuntze; Ottelia alismoides (L.) Persoon var. javanica Blume; Ottelia alismoides (L.) Persoon var. lacustris (Komarov) Kitagawa; Ottelia alismoides (L.) Persoon var. lanceolata Kuntze; Ottelia alismoides (L.) Persoon var. oryzetorum (Komarov) Kitagawa; Ottelia bodinieri (H. Léveillé & Vaniot) Dandy; Ottelia condorensis Gagnepain; Ottelia dioecia S. Z. Yan; Ottelia ensiformis Blanco; Ottelia hoffmeisteri Klotzsch; Ottelia indica (Willdenow) Planchon ex Dalzell & A. Gibson; Ottelia japonica Miquel; Ottelia javanica (Blume) Voigt; Ottelia lactucifolia (Planchon) Walpers; Ottelia lanceolata (Gagnepain) Dandy; Ottelia philippinensis Ostenfeld; Ottelia thorelii (Gagnepain) Dandy; Statiotes alismoides L.; Stratiotes quinquealatus Stokes |
| Common name | (Japanese common name) mzu-ohbako (ミズオオバコ, 水大葉子 [meaning: water Plantago]), oh-mizu-ohbako (オオミズオオバコ, 大水大葉子 [meaning: large water Plantago]), maruba-no-mizu-oh-bako (マルバノミズオオバコ, 丸葉水大葉子 [meaning: round leaved water Plantago]) |
| (English common name) ducklettuce | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Philippines, Vietnam, Laos, Cambodia, Thailand, Malaysia, Indonesia, Solomon Islands, Australia, Myanmar, Nepal, India, North Africa (naturalized in many places) | |
| Habitat | Swamp, pond, rice paddy |
| Chromosomal number | 2n=22, 28, 33, 38, 42, 44, 48, 50, 52, 55, 60, 64, 66, 68, 72, 110, 132 |
| Description | Leaves 10-30cm long, 2-15cm wide. Flowers 3 white petals each 15-20mm long, flowering in August to October. Water plants. Annual plants. |
| Reference | Ottelia alismoides (L.) Pers. |
| Ottelia alismoides (Linnaeus) Persoon | |
| Ottelia alismoides (L.)Pers. | |
| Ottelia alismoides (L.) Pers. | |
| 2,3-Dicyano 6 phenyl pyrazine herbicides (US Patent 4460403/1984) | |
| Antitumor and antileukaemic substances, their preparation and pharmaceutical compositions containing them (US Patent 5716994/1998) | |
| Use of polyglutamic acid or its salts (European Patent EP1602354/2008) | |
| Cosmetic composition containing Huhectant vegitable extract (Japanese Patent JP2000143437) | |
| Note | Rare species in Japan. |
| Invasive naturalized plant in North America. |
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| October 2009 at Tsukuba Botanical Garden |
October 2009 at Tsukuba Botanical Garden |
