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Nymphoides peltata (S. G. Gmel.) Kuntze






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Nymphoides Seg. (アサザ) in Japan


N. aquatica (Walter) Kuntze (ハナガガブタ), banana plant, exotic to Japan, white-flowered
N. aurantiaca (Dalzell) Kuntze (ヒメアサザ), white-flowered
N. coreana (H. Lev.) H. Hara (ヒメシロアサザ), China - Japan, white-flowered, 2n = 36
N. hydrophylla (Lour.) Kuntze (ヒメガガブタ), India - Japan (Ryukyu)
N. indica (L.) Kuntze (ガガブタ), cosmopolitan, white-flowered
N. peltata (S. G. Gmel.) Kuntze (アサザ)

Nymphoides peltata in Hokkaido


Asaza (アサザ, 浅沙/阿佐佐), fringed water-lily, yellow floatingheart (USDA), or water fringe
Lifeform: floating-leaved, perennial forb
Distribution: Eurasia including the whole of Japan

RDB: near-threatened (NT)

Habitat: wetlands

Developing persistent seedbank
Eastern Europe: endangered
North America: invasive

Flower: yellow (↔ all species in this genus produce white flowers)
Synonyms:

Limnanthemum peltatum S. G. Gmel.
Nymphoides nymphaeoides (L.) Britton

索引

ST1 ST2 ST3
[1-3] in a pond on Tsukiura Forest Park faced to Toya Lake on September 15 2015.

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