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| June 2006 at open field |
June 2006 at open field |
June 2006 at open field |
| Family | Fabaceae (alt. Leguminosae) |
| Subfamily | Faboideae |
| Tribe | Trifolieae |
| Scientific name | Trifolium dubium Sibthorp |
| Synonyms | Amarenus flavus (C. Presl) C. Presl; Chrysaspis dubia (Sibthorp) Desvaux; Trifolium flavum C. Presl; Trifolium luteolum Schur; Trifolium minus Smith; Trifolium parviflorum Bunge ex Nyman |
| Common name | (Japanese common name) kome-tubu tume-kusa (コメツブツメクサ, 米粒詰草 [meaning: tiny packing weed]) |
| (English common name) suckling clover, low hop clover, small hop clover, yellow clover | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Russia, Europa, Turkey, Cyprus, Israel, Morocco, Tunisia | |
| Habitat | Field, roadside |
| Chromosomal number | 2n=16, 28, 32 |
| Description | Plants electing or creeping. Leaves 5-15mm long, 5-12mm wide. Flowers yellow, flowering in April to July. Perennial plants. |
| Reference | Trifolium dubium Sibth. |
| Trifolium dubium Sibthorp | |
| Trifolium dubium Sibth. | |
| Note | Naturalized plants (first discovered at Tokyo in 1935). |
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| June 2006 at open field |
June 2006 at open field |
June 2006 at open field |
