foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.19 (2011)              | Family List  Sphenocleaceae  PDF     |  eFloras.org Link Font:+ Big | - Small
   9. Sphenocleaceae  
尖瓣花科   jian ban hua ke
  
Authors:Authors: Deyuan Hong & Nicholas J. Turland

  

Herbs annual, without latex. Leaves alternate, simple. Inflorescence a dense terminal or leaf-opposed spike, bracteate and bracteolate. Flowers sessile, bisexual, actinomorphic. Calyx epigynous, 5-lobed. Corolla epigynous, tubular, 5-lobed to middle. Stamens 5, inserted at proximal part of corolla tube, alternate with corolla lobes; filament extremely short; anther 2-celled. Ovary inferior, 2-loculed; ovules numerous, anatropous; placentation axile; stigma obscurely 2-lobed, lobes subcapitate. Fruit a capsule, oblate, circumscissile. Seeds numerous, oblong.

One species: widely distributed in Old World tropics, including China; introduced in New World tropics.

Sphenocleaceae are only superficially similar to Campanulaceae s.l., and molecular data place them securely in the Solanales. They lack latex; the style is short and without hairs; there is no secondary pollen presentation; and fruit dehiscence is circumscissile, immediately inside the calyx.

Sphenocleaceae are only superficially similar to Campanulaceae s.l., and molecular data place them securely in the Solanales. They lack latex; the style is short and without hairs; there is no secondary pollen presentation; and fruit dehiscence is circumscissile, immediately inside the calyx.

  
   Lower Taxon
  • Sphenoclea  Gaertner  尖瓣花属