(Upload on June 17 2017) [ 日本語 | English ]
Sagittaria weatherbiana Fernald
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Alismataceae (オモダカ科) > Sagittaria weatherbiana
|
Nagaba-omodaka (ナガバオモダカ, 長葉沢瀉/澤瀉/面高), grassy arrowhead or grass-leaved arrowhead Lifeform: aquatic perennial forb Distribution: north Africa (exotic to Japan, firstly reported from Midorogaike Pond in 1970) Habitat: ponds, marshes etc. → wetland (湿原) |
Shoot: dioecism → only mail shoot in Japan Use: ornamental (called giant sagittaria) Synonyms: Sagittaria graminea, auct. non Michx., often used (→ Sagittaria graminea ssp. weatherbiana (Fernald) R. R. Haynes et Hellq. = S. weatherbiana Fernald) |
|
Sagittaria L. (オモダカ)
|
S. aginashi Makino (アギナシ) S. guayanensis Kunth ssp. lappula (D. Don) Bogin (オモダカモドキ) S. montevidensis Cham. et Schltdl. (タイリンオモダカ) S. natans Pall. (カラフトグワイ) |
S. platyphylla (Engelm.) J. G. Sm. (ヒロハオモダカ) S. pygmaea Miq. (ウリカワ) S. sagittifolia L. (セイヨウオモダカ) S. subulata (L.) Buchenau (アメリカウリカワ) S. trifolia L. (オモダカ) |
var. alismifolia (Makino) Makino (ヒトツバオモダカ) |
Sagittaria weatherbiana in Japan
1
2
3
[1-3] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017.