Three New Combinations in Pfaffia (Amaranthaceae) from the New World Tropics
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چکیده
منابع مشابه
Meiotic behavior in tetraploid populations of Pfaffia tuberosa (Amaranthaceae)
Four populations of Pfaffia tuberosa, the Brazilian ginseng, collected in the central region of the state of Rio Grande do Sul (Brazil) were cytologically analyzed for meiotic behavior. All were tetraploid (2n = 4x = 68) and this condition could be observed through multiple chromosome pairing in pachytene and quadrivalent formation at diakinesis. Irregular chromosome segregation in both divisio...
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ژورنال
عنوان ژورنال: Novon
سال: 1995
ISSN: 1055-3177
DOI: 10.2307/3392254