Amaranthus hybridus




Family Amaranthaceae
Scientific name Amaranthus hybridus L.
Synonyms Amaranthus chlorostachys Willdenow; Amaranthus chlorostachys Willdenow var. erythrostachys (Moquin-Tandon) Aellen; Amaranthus cruentus L.; Amaranthus flavus L.; Amaranthus frumentaceus Buchanan-Hamilton ex Roxburgh; Amaranthus hecticus Willdenow; Amaranthus hybridus L. subsp. cruentus (L.) Thellung; Amaranthus hybridus L. subsp. hypocondriacus (L.) Thellung; Amaranthus hybridus L. subsp. incurvatus (Grenier & Godron) Brenan; Amaranthus hybridus L. subsp. paniculatus (L.) Heijný; Amaranthus hybridus L. subsp. patulus (Bertoloni) Carretera; Amaranthus hybridus L. var. chlorostachys (Willdenow) Beck; Amaranthus hybridus L. var. erythrostachys Moquin-Tandon; Amaranthus hybridus L. var. hypocondriacus (L.) B. L. Robinson; Amaranthus hybridus L. var. leucocarpus (S. Watson) Hunziker; Amaranthus hybridus L. var. paniculatus (L.) Uline; Amaranthus hybridus L. var. patulus (Bertoloni) Thellung ex Grenier & Godron; Amaranthus hypocondriacus L.; Amaranthus hypocondriacus L. var. amentaceus Suessenguth; Amaranthus incurvatus Grenier & Godron; Amaranthus laetus Willdenow; Amaranthus leucocarpus S. Watson; Amaranthus leucospermus S. Watson; Amaranthus paniculatus L.; Amaranthus paniculatus L. var. cruentus (L.) Seubert; Amaranthus patulus Bertoloni; Amaranthus retroflexus L. var. chlorostachys (Willdenow) A. Gray; Amaranthus retroflexus L. var. hybridus (L.) A. Gray; Amaranthus strictus Willdenow; Galliaria hybrida (L.) Nieuwland
Common name (Japanese common name) hoso-ao-geitou (ホソアオゲイトウ, 細青鶏頭 [meaning: slim green cockscomb])
(English common name) green pigweed, smooth amaranth, smooth pigweed, slim amaranth
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa
(Other nations) [native] Canada, USA, Mexico, Southern America
Habitat Roadside, field
Chromosomal number 2n=32
Description Plants electing 50-200cm tall. Leaves 4.5-13cm long, 2-8cm wide. Flowers flowering in July to November. Annual plants.
Reference Amaranthus hybridus L.
Amaranthus hybridus L.
Amaranthus hybridus L.
Note Naturalized plants (first recognized in 1937)



October 2006 at road side October 2006 at road side October 2006 at road side



October 2006 at road side October 2006 at road side