Wang Zhi-xin- Researcher at Hengyang Normal University
Wang Zhi-xin
- Researcher at Hengyang Normal University
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6
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Publications (6)
Eurycorymbus is an unusual monotypic genus of Sapindaceae endemic to China. The floral organogenesis of E. cavaleriei has been investigated with the light and scanning electron microscope to clarify its floral characters and its uncertain systematic position. Eurycorymbus cavaleriei possesses several unique characteristics in Sapindaceae. Flowers a...
Based on field investigations, as well as investigation of relevant specimens, Pimpinella rhomboidea var. tenuiloba is shown to be conspecific with Melanosciadium bipinnatum. The distribution and habitat of M. bipinnatum is redescribed and notes on the taxonomy of the species are presented.
Pternopetalum monophyllum J.B. Tan & X.J. He sp. nova (Apiaceae) from Sichuan Province, China is described and illustrated. The differences between P. monophyllum and the two morphologically most similar species P. molle and P. botrychioides are presented and briefly discussed.
Chromosome numbers and karyotype data of 19 Chinese Polygonatum species generated from 51 populations are presented in this paper. Karyograms of P. cirrhifoliodes, P. gracile, P. hookeri, P. jinzhaiense and P. nodosum are reported for the first time. The chromosome numbers 2n = 28 for P. hookeri and 2n = 60 for P. zanlanscianense are reported for t...
In order to investigate the embryological characteristics of Delavaya toxocarpa and provide a basis for further understanding the phylogeny within Sapindaceae s.l., we studied the sporogenesis and gametogenesis of D. toxocarpa by using the conventional paraffin section method. The results are as follows: anthers are tetrasporangium; tapetum is typi...
The genus Pimpinella comprises about 150 species, making it among the largest genera in Apiaceae subfamily Apioideae. It is also a widespread and taxonomically complex group. Previous molecular phylogenetic studies of Pimpinella have focused primarily on its Turkish, African and Malagasy congeners, while resolution of relationships among the approx...
