长喙毛茛泽泻 Ranalisma rostrata

  • Scientific Name: Ranalisma rostrata Stapf
  • Ref: Hooker’s Icon. Pl. 27:t.2652. 1900
  • Synonyms: Echinodorus ridleyi Steenis; Echinodorus rostratus (Stapf) Gagnep.
  • Chinese Common Name: 长喙毛茛泽泻 chánghuì máogèn∙zéxiè
  • Family: Alismataceae
  • Genus: Ranalisma
  • Distribution: Marshes, very rare in China. Hunan, Jiangxi, Zhejiang [India, Malaysia (Peninsular), Vietnam].
  • Photo: Hangzhou Botanical Garden, Zhejiang
Plants stoloniferous. Petiole 12-32 cm; leaves entire; floating or aerial leaves ovate to ovate-elliptic, 3-4.5 × 3-3.5 cm, base subcordate, apex subacute. Flowers 1-3 at apex of scape; bracts 2, spatulate, ca. 7 mm. Sepals broadly elliptic, ca. 5 mm. Petals obovate-elliptic, usually ca. as long as sepals. Stamens ca. 2.5 mm; anthers elliptic. Carpels crowded, with an apical, persistent style; receptacle oblong. Achenes ± obtriangular; beak 3-5 mm. Fl. and fr. Aug-Sep. 2n = 22*. (Flora of China)

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