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| October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
| Family | Commelinaceae |
| Subfamily | Commelinoideae |
| Scientific name | Murdannia keisak (Hassk.)Hand-Mazz. |
| Synonyms | Aneilema keisak Hasskarl; Aneilema coreanum H. Léveillé & Vaniot; Aneilema oliganthum Franchet & Savatier; Aneilema taquetii H. Léveillé |
| Common name | (Japanese common name) ibo kusa (イボクサ, 疣草 [meaning: wart elimination weed]) |
| (English common name) Asiatic dayflower, Asian spiderwort, marsh dewflower, wartremoving herb | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Vietnam, Laos, Cambodia, Nepal [naturalized in USA] | |
| Habitat | Swamp, rice paddy |
| Chromosomal number | 2n=30 |
| Description | Plants creeping ca. 20-50cm long. Leaves 3-7cm long, 5-10mm wide. Flowers calyxs ca. 4mm long, 3 pale purple petals each ca. 5mm long, flowering in September to October. Fruits 8-10mm long. Annual plants. |
| Reference | Murdannia keisak (Hasskarl) Handel-Mazzetti |
| Murdannia keisak (Hassk.) Hand.-Mazz. | |
| Murdannia keisak (Hassk.) Hand.-Mazz. |
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| October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
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| October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
