One plant has 32 chromosomes and the other 48. The base number
therefore. From other literature sources, it seems that the base number
for Pinguicula is 16, making the 48 plant a triploid. Triploids are
generally sterile.
Happy CPing
Guido
Dr. Guido J. Braem ---- Plant Taxonomist
Naunheimer Str. 17
D-35633 Lahnau
Germany
Tel. [+49](6441]65333
Fax [+49](6441)65334