Plant Diversity ›› 2002, Vol. 24 ›› Issue (01): 1-3.

• Articles •    

Embryology of Swertia cincta (Gentianaceae) and Its Systematic Value

XUE Chun-Ying, HE Ting-Nong, LI De-Zhu   

  1. Kunming Institute of Botany, Chinese Academy of Dciences
  • Online:2002-02-25 Published:2002-02-25

Abstract: This paper reports the mega-, micro-sporogenesis and female-, male-gametogenesis of Swertia cincta for the first time, with the aim of discussing the systematic position of section Platynema and section Ophelia of Swertia. Anthers are tetrasporangiate. The development of anther walls conforms to the dicotyledonous type. The tapetum cells have dusl origin and are similar to the glandular type. There are two middle layers.

Key words: Sweria cincta