foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.23 (2010)              | Family List  Aponogetonaceae  PDF     |  eFloras.org Link Font:+ Big | - Small
   8. Aponogetonaceae  
水蕹科   shui weng ke
  
Authors:Authors: Youhao Guo, Robert R. Haynes & C. Barre Hellquist

  

Herbs, perennial, freshwater aquatic. Rhizome tuberous, with fibrous roots. Leaves submerged and/or floating, basal, long petiolate, broadly elliptic to linear, with few primary veins and numerous transverse secondary veins, sheathed at base. Inflorescence usually a simple or 2-forked terminal spike; spathe present, but usually very early caducous. Flowers hermaphroditic or unisexual. Perianth segments 1-3 or rarely absent, white, yellow, mauve, or bluish violet, often petaloid, persistent. Stamens 6 to many; filaments elongated, free, filiform or flattened; anthers extrorse, 2-celled, opening by longitudinal slits. Carpels 3-6(-8), free or slightly united near base; ovary superior; style short; ovules 2-8 per carpel. Fruit a whorl of follicles. Seeds without endosperm; embryo straight.

One species: widely distributed in tropical and subtropical parts of Old World.

Zhou Lingyun & Zhong Xiongwen. 1992. Aponogetonaceae. In: Sun Xiangzhong, ed., Fl. Reipubl. Popularis Sin. 8: 34-36.

Zhou Lingyun & Zhong Xiongwen. 1992. Aponogetonaceae. In: Sun Xiangzhong, ed., Fl. Reipubl. Popularis Sin. 8: 34-36.

  
   Lower Taxon
  • Aponogeton  Linnaeus f.  水蕹属