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Study the Chinese Morus from the aspect of pollen morphology of 25 Chinese Morus plants of 10 species and 1 variety were observed using scanning electron microscopy (SEM). Results showed the differences to be mainly in pollen size, aperture size, P/E value and columellae structure.Supported the conclusion thatMorus bombycisis a species level unit butMorus mizuho,Morus atropurpurea, andMorus multicaulisare not, the conclusion thatMorus atropurpurea,Morus multicaulis, Morus alba, andMorus macrouraare initial forms, and thatMorus mongolica, Morus mongolicavar. diabolica, Morus bombycis, andMorus australisare later forms. |
