Chromosome Numbers and Polyploidy in Castilleja (Scrophulariaceae)

Chromosome numbers are reported for 155 collections of Castilleja representing 54 taxa. The basic haploid number of 12 was found in 34 taxa, but 10 of these also had one or more polyploid levels. The remaining 20 species were strictly polyploid in one or more levels (4X, 6X, 8X, 10X, 12X). The wides...

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Veröffentlicht in:	Brittonia 1968-07, Vol.20 (3), p.212-226
1. Verfasser:	Heckard, Lawrence R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological taxonomies Canyons Chromosomes Crater lakes Diploidy Genetic hybridization Plants Ploidies Polyploidy Taxa
Online-Zugang:	Volltext
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