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| June 2007 at Koishikawa Botanical Garden |
June 2007 at Tsukuba Botanical Garden |
June 2007 at Tsukuba Botanical Garden |
| Family | Rubiaceae |
| Scientific name | Galium verum L. var. asiaticum Nakai forma nikkoense (Nakai) Ohwi |
| Synonyms | Galium verum L. forma nikkoense (Nakai) Ohwi; Galium verum L. subsp. asiaticum (Nakai) T. Yamazaki var. asiaticum Nakai forma lacteum (Maximovicz) Nakai; Galium verum L. var. asiatica Nakai forma lacteum (Maximovicz) Nakai; Galium verum L. var. asiatica Nakai forma nikkoense Ohwi; Galium verum L. var. lacteum Maximovicz forma lacteum Nemoto; Galium verum L. var. nikkoense Nakai |
| Common name | (Japanese common name) kawara-matsuba (カワラマツバ, 河原松葉 [meaning: riverbed pine leaves]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea | |
| Habitat | Sand beach, seaside field, riverside |
| Chromosomal number | 2n=44 |
| Description | Plants 30-80cm tall. Leaves 8-12 verticillate, each leaflet 2-3cm long, 1.5-3mm wide. Flowers white corollas ca. 2.5mm across, flowering in June to August. Perennial plants. |
| Reference | Galium verum L. |
| Triazolidine compounds useful as herbicides (US Patent 4066437/1978) | |
| Acids and esters of 5-(2-optionally substituted-4-trifluoromethyl-6-optionally substituted phenoxy)-2-nitro, -halo, or-cyano alpha substituted phenyl carboxy oximes, and method of controlling weeds with them (US Patent 4344789/1982) | |
| 4-Trifluoromethylphenoxy-benzaldoximes (US Patent 4401602/1984) | |
| Novel annularly-linked triazole compounds (US Patent 4957535/1988) | |
| Annularly-linked triazole compounds (US Patent 4789394/1988) | |
| Note | There are 4 native local species of Galium verum in Japan: Galium verum L. var. asiaticum Nakai (yellow flowers), Galium verum L. var. asiaticum Nakai forma nikkoense (Nakai) Ohwi (white flowers), Galium verum L. var. trachycarpum de Candolle (yellow flowers and hairy ovary) and Galium verum L. var. trachycarpum de Candolle forma album Nakai (white flowers and hairy ovary). There is no Galium verum L. subsp. verum in Japan, except of naturalized plants. |
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| June 2007 at Koishikawa Botanical Garden |
June 2007 at Tsukuba Botanical Garden |
June 2007 at Tsukuba Botanical Garden |
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| June 2007 at Tsukuba Botanical Garden |
