foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.14 (2005)              | Family List  Diapensiaceae  PDF     |  eFloras.org Link Font:+ Big | - Small
   7. Diapensiaceae  (Link) Lindley
岩梅科   yan mei ke
  
Authors:Qin Haining (覃海宁) ; Bruce Bartholomew

  

Shrublets or perennial herbs, prostrate or decumbent, evergreen, mostly glabrous. Stipules absent. Leaves simple, spirally arranged or alternate, often crowded, subsessile or petiolate, pinnately veined. Flowers bisexual, actinomorphic, solitary or in a capitate raceme. Calyx 5-lobed, persistent; lobes free, imbricate. Corolla basally connate, apically lobed, caducous; lobes 5, spreading. Stamens 5[or 10], epipetalous, alternate with corolla lobes if 5; staminodes 5 if present, epipetalous, opposite corolla lobes, scalelike or spatulate; anthers 1- or 2-celled, dehiscing by slits. Ovary superior, 3[or 5]-locular; ovules numerous, axile, anatropous or amphitropous. Style simple; stigma lobed, capitate, or disciform. Fruit a 3[or 5]-locular capsule, loculicidally dehiscing. Seeds many, small, cylindrical; endosperm copious; embryo straight or slightly curved.

Six genera and ca. 15 species: Asia, Europe, North America; three genera (one endemic) and six species (three endemic) in China.

Chang Cheyung. 1990. Diapensiaceae. In: Fang Wenpei & Hu Wenkuang, eds., Fl. Reipubl. Popularis Sin. 56: 109–119.

  
1Shrublets; leaf blade 0.2–1 cm; scape to 2 cm, often ± absent at flowering.1  Diapensia    岩梅属
+Perennial herbs from a woody rhizome; leaf blade (0.5–)1.5–12(–15) cm; scape 3–10 cm at flowering.(2)
   
2(1)Flowers in a capitate raceme; filaments pubescent; leaf blade margine entire.2  Berneuxia    岩匙属
+Flowers solitary; filaments glabrous; leaf blade margin serrate or occasionally subentire.3  Shortia    岩扇属
   
   Lower Taxon
  • Berneuxia  Decaisne  岩匙属
  • Diapensia  Linnaeus  岩梅属
  • Schizocodon  Siebold & Zuccarini  
  • Sherwoodia  House  
  • Shortia  Torrey & A. Gray  岩扇属
  • Shortiopsis  Hayata.