Abstract:
In this paper 5 species and 8 varieties of
genus Trapa were described. Among them,
Trapa incisa Sieb et Zucc. was a new record in Hubei, T.bicornis Osb. var.bispinosa(Roxb.) Z. T. Xiong,
T. bicornis Osb.var.qvadrispinosa(Roxb.) Z. T. Xiong,
T. bicornis Osb. var.acornis (Nakano)Z. T. Xiong,
T. bicornis Osb. var. taiwanensis (Nakai) Z. T. Xiong were new combinations and
T. japonica Fler. var. magnicorona Z. T. Xiong,
T. japonica Fler. var. longicollum Z. T.Xiong,
T. pseudoincisa Nakai var.aspinifa Z. T. Xiong,
T. Pseudoincisa Nakai var. complana Z. T. Xiong were new varieties. The materials were collected in the suburb of Wuhan and other five counties in Hubei, Xiaogan, Honghu, Jianli, Huangmei, and Yangxin.
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