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Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Nymphaeaceae (スイレン科)
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[Engler's syllabus (エングラー体系)] ≈ 100 species in 8 genera in the world, 5 genera in Japan Lifeform: Aquatic forbs, producing long leaf stalks, rhizomes in the muddy soil Flower: trimerous hermaphrodite 1. sepal = 3, petal = 3. stamen = 12-18, apocarpous carpel ___ Subfam. Cabomboideae (ジュンサイ) Brasenia Schreb. (ジュンサイ) 1. sepal = 4-6, petal and stamen = many 2. carpel apocarpous within inversed-conical torus, ovule in carpel = 1 ___ Subfam. Nelumbonoideae ハス Nelumbo Bercht. et J. Presl (ハス) ⇒ separated to Nelumnbonaceae (ハス) 2. syncarpous carpel, multilocular. stigma gamophyllous and radial ___ Subfam. Nymphaeoideae 3. sepal = 5-6, flower yellow, ovary superior Nuphar Sibth. et Sm. (コウホネ) 3. sepal = 4. ovary semi-inferior or inferior |
4. ovary semi-inferior. perennial. no spines on the leaf Nymphaea L. (スイレン) 4. ovary inferior. annual. spines on the leaf
Euryale Salisb. (E. ferox Salisb. オニバス), annual aquatic plants (→ Euryalaceae, when separated) Victoria Lindley (オオオニバス)V. amazonica (Poepp.) Sowerby (オオオニバス)V. cruziana Orbigny (パラグアイオニバス) Barclaya Wallich (Barclayaceae when separated), tropical Asia Ondinea Hartog (when separated from Nymphaea) Cabombaceae Rich. ex A.Rich. (ジュンサイ)established by APGBrasenia Schreb. (ジュンサイ)consisting of one species in one genusB. schreberi J. F. Gmel. (ジュンサイ) |
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Engler: in Nymphaeaceae (スイレン科) Cronquist/APG III: in Nelumnbonaceae (ハス科), separated from Nymphaeaceae |
The family consisting of two species in one genus, Nelumbo, when Nelumnbonaceae is established |
Nelumbo Adans. (ハス)Lifeform: aquaticN. lutea Willd. (キバナバス) N. nucifera Gaertn. (ハス) |
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Confusing group N. japonica DC. (コウホネ/コオホネ) N. oguraensis Miki (オグラコウホネ), south to Honshu |
var. akiensis Shimoda (ベニオグラコウホネ) N. submerusa Shiga et Kadono (シモツケコウホネ) |
N. pumila (Timm) DC. (ネムロコウホネ) N. subintegerrima (Casp.) Makino (ヒメコウホネ), Honshu and Shikoku |
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Approximately 50 species have been recorded from the world One or two species, N. tetragona, are native to Japan N. alba L. (セイヨウスイレン) N. caerulea Savigny (ルリスイレン) |
ssp. zanzibarensis (Casp.) S. W. L. Jacobs (アフリカスイレン) N. capensis Thunb. (ケープスイレン)N. flavovirens Lehm. (アサギスイレン) N. lotus L. (ヨザキスイレン) N. mexicana Zucc. (キバナスイレン) |
N. nouchali Burm.f. (ホシザキスイレン) N. odorata Aiton (ニオイスイレン) ssp. tuberosa (Paine) Wiersema et Hellquist (アメリカスイレン) N. rubra Roxb. ex Salisb. (アカバナスイレン)N. tetragona Georgi (ヒツジグサ) ⇒ cultivated Nymphaea spp. |