雪白睡莲Nymphaea candida C. Presl
雪白睡莲Nymphaea candida C. Presl
2．雪白睡莲
Nymphaea candida C. Presl in J. et C. Presl, Del. Prag. 224. 1822；Conard, Waterlilies 173. 1905；Kom. Fl. URSS 7: 8. 1937.
本种和白睡莲相近，区别为：根状茎直立或斜升；叶的基部裂片邻接或重叠；花托略四角形；内轮花丝披针形；柱头具6-14辐射线，深凹；种子长3-4毫米。花期6月，果期8月。
产新疆。生在池沼中。西伯利亚、中亚、欧洲有分布。
花供观赏；根状茎可食。
形态特征：本种和白睡莲相似。区别为：根状茎直立或斜升，叶的基部裂片邻接或重叠，花托略四方形，内轮花丝披针形，柱头具6～16辐射线，深凹，种子长3～4毫米。
生长环境：生长在池沼中。
花期果期：花期6月，果期8月。
用 途：用途同白睡莲。
《Flora of China》 Vol. 6 (2001)
Nymphaea candida C. Presl
雪白睡莲 xue bai shui lian
Rhizomes erect or ascending, unbranched. Leaf blade suborbicular, 10--25 cm in diam., papery, abaxially glabrous, scarcely peltate, base deeply cordate and basal lobes contiguous or overlapping, margin entire. Flower floating, (6--)10--20 cm in diam. Calyx insertion on receptacle ± tetragonous; sepals lanceolate, 3--5 cm, obscurely veined, caducous or decaying after anthesis. Petals 20--25, white, ovate-oblong, 3--5.5 cm, transition to stamens gradual. Filament of inner stamens wider than anther; connective apically unappendaged. Carpels completely united, walls between locules of ovary single. Stigma rays (5--) 6--14(--20); carpellary appendages triangular-tapered. Fruit semiglobose, 2.5--3 cm. Seeds ellipsoid, 3--4 mm, smooth. Fl. Jun--Aug. 2n = 112, 160.
Ponds. Xinjiang [Kashmir, Kazakhstan, Russia (Siberia); SW Asia, Europe].
别名：睡莲;
科名：睡莲科 Nymphaeaceae
属名：睡莲属 Nymphaea
2．雪白睡莲
Nymphaea candida C. Presl in J. et C. Presl, Del. Prag. 224. 1822；Conard, Waterlilies 173. 1905；Kom. Fl. URSS 7: 8. 1937.
本种和白睡莲相近，区别为：根状茎直立或斜升；叶的基部裂片邻接或重叠；花托略四角形；内轮花丝披针形；柱头具6-14辐射线，深凹；种子长3-4毫米。花期6月，果期8月。
产新疆。生在池沼中。西伯利亚、中亚、欧洲有分布。
花供观赏；根状茎可食。
形态特征：本种和白睡莲相似。区别为：根状茎直立或斜升，叶的基部裂片邻接或重叠，花托略四方形，内轮花丝披针形，柱头具6～16辐射线，深凹，种子长3～4毫米。
生长环境：生长在池沼中。
花期果期：花期6月，果期8月。
用 途：用途同白睡莲。
《Flora of China》 Vol. 6 (2001)
Nymphaea candida C. Presl
雪白睡莲 xue bai shui lian
Rhizomes erect or ascending, unbranched. Leaf blade suborbicular, 10--25 cm in diam., papery, abaxially glabrous, scarcely peltate, base deeply cordate and basal lobes contiguous or overlapping, margin entire. Flower floating, (6--)10--20 cm in diam. Calyx insertion on receptacle ± tetragonous; sepals lanceolate, 3--5 cm, obscurely veined, caducous or decaying after anthesis. Petals 20--25, white, ovate-oblong, 3--5.5 cm, transition to stamens gradual. Filament of inner stamens wider than anther; connective apically unappendaged. Carpels completely united, walls between locules of ovary single. Stigma rays (5--) 6--14(--20); carpellary appendages triangular-tapered. Fruit semiglobose, 2.5--3 cm. Seeds ellipsoid, 3--4 mm, smooth. Fl. Jun--Aug. 2n = 112, 160.
Ponds. Xinjiang [Kashmir, Kazakhstan, Russia (Siberia); SW Asia, Europe].