All Floras      Search Specimen
Login | eFloras Home | Help
IBSC | Family List | Angiospermae

Lardizabalaceae Decaisne

木通科

Description from Flora of China

Woody climbers, rarely erect shrubs (Decaisnea). Monoecious, rarely dioecious. Stems climbing or twining (erect in Decaisnea); wood with broad medullary rays. Winter buds large; outer scales 2 to numerous; scales subtending leaves persistent, scaly. Stipules usually absent (present and very small in Sinofranchetia). Leaves alternate, palmate or 3-foliolate, rarely pinnate (Decaisnea). Petiole and petiolules swollen at both ends, articulate. Flowers functionally unisexual by reduction or abortion, actinomorphic. Sepals 6 (usually 3 in Akebia), petaloid, in 2 whorls, imbricate or outer 3 valvate. Petals 6, nectariferous, much smaller than sepals or absent. Male flowers: stamens free or ± connate into a tube; anthers 2-celled, extrorsely dehiscent by longitudinal slit; connective apical appendage hornlike or apiculate, sometimes unappendaged. Pistillodes 3--6(--9), small, filiform. Female flowers: staminodes 6. Carpels 3(--9) or numerous (Sargentodoxa), superior, free; ovules numerous, orthotropous or anatropous, in 2 to several longitudinal rows on laminar placenta, rarely 1, pendulous, hemitropous to subanatropous (Sargentodoxa). Stigma conspicuous, sessile or subsessile. Fruit fleshy follicles or baccate, indehiscent or dehiscent along abaxial suture. Seeds numerous, rarely solitary; seed coat crustaceous; endosperm copious; embryo small, straight.

Chen Te-chao. 2001. Lardizabalaceae. In: Ying Tsun-shen, ed., Fl. Reipubl. Popularis Sin. 29: 1–50.

Nine genera and ca. 50 species: mainly in E Asia, two monotypic genera in S America; seven genera (two endemic) and 37 species (25 endemic) in China.

(Authors: Chen Dezhao; Tatemi Shimizu)

Lower Taxa


 

Related Objects  

A Checklist for the South China Botanical Garden, Guangzhou, Guangdong Province, P. R. China  
  • Akebia quinata (Xiangying Wen)
  • Image/JPEG
    Flora of Chile  
  • Family PDF
  • PDF
    Flora of China  
  • PDF File
  • PDF
    Interactive Keys by Xiangying Wen  
  • Akebia quinata (Xiangying Wen)
  • Image/JPEG

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |