白睡莲 Nymphaea alba

by Jun

  • Scientific Name: Nymphaea alba L.
  • Ref: Sp. Pl.:510. 1753
  • Synonyms:
    • Castalia biradiata (Sommier) Hayek
    • C. speciosa Salisb.
    • Leuconymphaea alba (L.) Kuntze
    • Nymphaea basniniana Turcz.
    • N. biradiata Sommier
    • N. erythrocarpa Hentze
    • N. exumbonata Rupr.
    • N. kosteletzkyi Lehm.
    • N. melocarpa (Casp.) Asch. & Graebn.
    • N. milletii Boreau
    • N. minoriflora (Simonk.) Wissjul.
    • N. neglecta Hausl.
    • N. officinalis Gaterau
    • N. parviflora Hentze
    • N. permixta Boreau
    • N. polystigma E.H.L.Krause
    • N. rotundifolia Hentze
    • N. splendens Hentze
    • N. suaveolens Dumort.
    • N. urceolata Hentze
    • N. venusta Hentze
  • English Common Name: European white water lily, white water-rose, white nenuphar
  • Chinese Common Name: 白睡莲 bái∙shuìlián
  • Japanese Common Name: セイヨウスイレン [西洋睡蓮] seiyōsuiren
  • Family: Nymphaeaceae
  • Genus: Nymphaea
  • Distribution: Cultivated and naturalized in ponds. Hebei, Shaanxi, Shandong, Zhejiang [Kashmir, Russia (Caucasus); Africa, SW Asia, Europe].
  • Photo: 05/18/2016, Zhejiang
Rhizomes repent, sparsely branched, but not stoloniferous. Leaf blade suborbicular, 10--25 cm in diam., papery, abaxially glabrous, scarcely peltate, base deeply cordate and basal lobes subparallel or spreading, margin entire. Flower floating, (7--) 10--20 cm in diam. Calyx insertion on receptacle circular; sepals lanceolate, 3--5(--8) cm, obscurely veined, caducous or decaying after anthesis. Petals (12--)20--25(--33), white, ovate-oblong, 3--5.5(--8) cm, transition to stamens gradual. Filament of inner stamens ± as wide as anther; connective apically unappendaged. Carpels completely united, walls between locules of ovary single. Stigma rays (8--)14--20(--25); carpellary appendages triangular-tapered. Fruit semiglobose, 2.5--3 cm. Seeds ellipsoid, 2--3(--5) mm, smooth. Fl. Jun--Aug. 2n = 56, 84, 112. (Flora of China)
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