foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.13 (2007)              | Family List  Elatinaceae  PDF     |  eFloras.org Link Font:+ Big | - Small
   3. Elatinaceae  Dumortier
沟繁缕科   gou fan lü ke
  
Authors:Yang Qiner (杨亲二); Gordon C. Tucker

  

Herbs annual, perennial, or subshrubs, semiaquatic or terrestrial, dwarf. Leaves opposite or verticillate, petiolate; stipules paired; leaf blade simple, margin entire or serrate. Flowers solitary, clustered, or in axillary cymes, bisexual, actinomorphic, small. Sepals 2-5, imbricate, free or slightly united, thinly membranous or with nearly pellucid margins. Petals 2-5, imbricate in bud, free, membranous. Stamens 1 or 2 × as many as sepals, free; anthers dorsifixed, 2-loculed. Ovary superior, 2-5-loculed, many ovuled; placentation axile; styles 2-5, free, short; stigmas capitate. Fruit a septicidal capsule, membranous, leathery, or crustaceous. Seeds numerous, straight or curved, small; testa often rugose; endosperm absent.

Two genera and ca. 50 species: temperate and tropical regions; two genera and six species in China.

Zhang Pengyun & Zhang Yaojia. 1990. Elatinaceae. In: Li Hsiwen, ed., Fl. Reipubl. Popularis Sin. 50(2): 132-138.

  
1Plants terrestrial; flowers 5-merous; capsule 5-septicidal.1  Bergia    田繁缕属
+Plants aquatic; flowers 2-4-merous; capsule 2-4-septicidal.2  Elatine    沟繁缕属
   
   Lower Taxon
  • Bergia  Linnaeus  田繁缕属
  • Elatine  Linnaeus  沟繁缕属