Fig. 1From: Sporogenesis, gametophyte development and embryogenesis in Glehnia littoralisThe morphological structure of the flower of G. littoralis (show stamens). a Flower buds. b Blooming flower. c, d Transverse section of flower bud. e, f Longitudinal section of flower bud. Se: sepal, pe: petal, an: anther, ps: pollen sacBack to article page