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| September 2006 at roadside |
September 2006 at roadside |
September 2006 at roadside |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Polygonum aviculare L. |
| Synonyms | Centinodium agrestinum (Jordan ex Boreau) Fourreau; Centinodium aviculare (L.) Fourreau; Centinodium axillare Montandon; Centinodium humifusum (Jordan ex Boreau) Fourreau; Centinodium rurivagum (Jordan ex Boreau) Fourreau; Persicaria fauriei (H. Léveillé & Vaniot ex H. Léveillé) Nakai; Polygonum aequale Lindman; Polygonum agrestinum Jordan ex Boreau; Polygonum arenastrum Boreau; Polygonum aviculare L. subsp. aequale (Lindman) Ascherson & Graebner; Polygonum aviculare L. subsp. buxiforme (Small) Costea & Tardif; Polygonum aviculare L. subsp. calcatum (Lindman) Thellung; Polygonum aviculare L. subsp. depressum (Meisner) Arcangeli; Polygonum aviculare L. subsp. heterophyllum Ascherson & Graebner; Polygonum aviculare L. subsp. microspermum (Jordan ex Boreau) Berher; Polygonum aviculare L. subsp. neglectum (Besser) Arcangeli; Polygonum aviculare L. subsp. rectum Chrtek; Polygonum aviculare L. subsp. rurivagum (Jordan ex Boreau) Berher; Polygonum aviculare L. var. angustifolium Michaux; Polygonum aviculare L. var. angustissimum Meisner; Polygonum aviculare L. var. buxifolium Ledebour; Polygonum aviculare L. var. depressum Meisner; Polygonum aviculare L. var. erectum (L.) Meisner; Polygonum aviculare L. var. erectum Ledebour; Polygonum aviculare L. var. heterophyllum Munshi & Javeid; Polygonum aviculare L. var. heterophyllum Ascherson & Graebner; Polygonum aviculare L. var. latifolium Michaux; Polygonum aviculare L. var. littorale (Link) Mertens & Koch; Polygonum aviculare L. var. monspeliense (Thiébaut-de-Berneaud ex Persoon) Chrtek; Polygonum aviculare L. var. polycnemiforme Lecoq & Lamotte; Polygonum aviculare L. var. procumbens Meisner; Polygonum aviculare L. var. rurivagum (Jordan ex Boreau) Gentil; Polygonum aviculare L. var. vulgare Desvaux; Polygonum buxifolium Nuttall ex Bongard; Polygonum buxiforme Small; Polygonum calcatum Lindman; Polygonum centinodium Lamarck; Polygonum crassinerve Casati; Polygonum debeauxii Legrand; Polygonum denudatum Desvaux ex Boreau; Polygonum erectum L.; Polygonum fauriei H. Léveillé & Vaniot ex H. Léveillé; Polygonum gymnopus Franchet & Savatier; Polygonum heterophyllum Lindman; Polygonum heterophyllum Lindman subsp. rurivagum (Jordan ex Boreau) Lindman; Polygonum heterophyllum Lindman var. angustissimum (Meisner) Lindman; Polygonum humifusum Jordan ex Boreau; Polygonum littorale Link; Polygonum littorale Link var. sitchense Small; Polygonum meyenii C. Koch; Polygonum microspermum Jordan ex Boreau; Polygonum monspeliense Thiébaut-de-Berneaud ex Persoon; Polygonum montereyense Brenckle; Polygonum neglectum Besser; Polygonum polycnemiforme (Lecoq & Lamotte) Boreau; Polygonum provinciale C. Koch; Polygonum rectum (Chrtek) Scholz; Polygonum rurivagum Jordan ex Boreau |
| Common name | (Japanese common name) michi yanagi (ミチヤナギ, 道柳 [meaning: roadside willow]) |
| (English common name) blood-wort, bird's-knotgrass, centynody | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) worldwide | |
| Habitat | Roadside, field |
| Chromosomal number | 2n=60 |
| Description | Plants 10-40cm tall. Leaves 1.5-4cm long. Flowers green perianths ca. 2.5-3mm long, flowering in May to October. Fruits ca. 3mm long. Annual plants. |
| Reference | Polygonum aviculare L. |
| Polygonum aviculare L. |
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| September 2006 at roadside |
September 2006 at roadside |
September 2006 at roadside |
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| September 2006 at roadside |
September 2006 at roadside |
September 2006 at roadside |
