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(Upload on April 28 2022) [ 日本語 | English ]

Phylogeny of Order Salviniales Marsileaceae Marsilea Pilularia Regnellidium Salviniaceae Azolla Salvinia

Salviniaceae 16 species in 2 genera worldwide Lifeform: floating aquatic plant Azolla Lam. (アカウキクサ) Azollaceae Lam. (アカウキクサ) when separated from Salviniaceae Salvinia Ség. (サンショウモ)

Salvinia Ség. (サンショウモ)

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Root: not develped S. cucullata Roxb. ex Bory (ナンゴクサンショウモ)

S. molesta D. S. Mitch. (オオサンショウモ)

S. natans (L.) All. (サンショウモ)

Salvinia molesta grown in a greenhouse

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Oh-sanshoumo (オオサンショウモ, 大山椒藻), giant salvinia or kariba weed Lifeform: floating, aquatic fern

Habitat: slow-moving waters, e.g., in lakes, ponds, oxbows, streams, ditches, marshes and rivers cleaning water pollution

Distribution: native to south-eastern Brazil invasive to Europe Frond (leaf): 0.5-4 cm long

1 2 3
[1-3] at Sakuya Konohana Kan (咲くやこの花館) located in Osaka, western Japan, on February 6 2022.