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. |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |
October 2007 at lowland swamp |