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| June 2009 at lowland swamp |
June 2009 at lowland swamp |
June 2009 at lowland swamp |
| Family | Rubiaceae |
| Scientific name | Galium trifidum L. subsp. columbianum (Rydberg) Hultén |
| Synonyms | Galium columbianum Rydberg; Galium cymosum Wiegand; Galium trifidum L. subsp. pacificum (Wiegand) Piper; Galium trifidum L. var. brevipedunculatum Regel; Galium trifidum L. var. pacificum Wiegand |
| Common name | (Japanese common name) hosoba-no-yotsuba-mugura (ホソバノヨツバムグラ, 細葉四葉葎 [meaning: narrow leaved four lieves weed]) |
| (English common name) threepetal bedstraw | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Canada, USA | |
| Habitat | Swamp (sea level to subalpine) |
| Chromosomal number | 2n=24 |
| Description | Plants 20-50cm long. Leaves qurternate (sometimes quinate or 6 verticillate) each 7-20mm long, 1.5-5mm wide. Flowers pedicels 3-5mm long, pedicelets 3-5mm long, white colloras divided into 3 (merely 4) ca. 1mm across, 3 stamens, flowering in June to August. Perennial plants. |
| Reference | Galium trifidum subsp. columbianum (Rydb.) Hultén |
| Galium trifidum L. ssp. columbianum (Rydb.) Hultén | |
| Galium trifidum L. | |
| Cosmetic compositions for the treatment of the hair and skin contain in the form of a powder particles resulting from the pulverization of at least one plant substance and a cohesion agent (US Patent 4569839/1986) | |
| Biocontrol of weeds (US Patent 6686316/2004) |
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| June 2009 at lowland swamp |
June 2009 at lowland swamp |
June 2009 at lowland swamp |
