A revised cytotaxonomy of the genus Tulbaghia (Alliaceae)
A revised cytotaxonomy of the genus Tulbaghia (Alliaceae)
A revised cytotaxonomy of the genus Tulbaghia (Alliaceae)
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102 VOSA<br />
Group AA (three species) - The karyotype is<br />
overall similar to that <strong>of</strong> group A but <strong>the</strong>re are<br />
two nucleolar chromosomes <strong>of</strong> type A.<br />
Group AB (one species) - The karyotype<br />
consists <strong>of</strong> six submedian chromosomes. The<br />
second largest carries <strong>the</strong> nucleolar attachment in<br />
a proximal position on its short arm (nucleolar<br />
chromosome type B). There is ano<strong>the</strong>r nucleolar<br />
chromosome <strong>of</strong> type A.<br />
Group AF (two species) - The karyotype is<br />
overall similar to that <strong>of</strong> group A, but <strong>the</strong> long est<br />
<strong>of</strong> <strong>the</strong> complement carries a nucleolar attachment<br />
in a very proximal position on its long arm<br />
(nucleolar chromosome type F). There is ano<strong>the</strong>r<br />
nucleolar chromosome <strong>of</strong> type A.<br />
Group C (two species) - The karyotype resembles<br />
that <strong>of</strong> <strong>the</strong> species <strong>of</strong> group A, but <strong>the</strong><br />
nucleolar attachment is carried distally on <strong>the</strong><br />
short arm <strong>of</strong> <strong>the</strong> second largest chromosome.<br />
Plate II. (a) T. nutans Vosa (x3). (b) T. macrocarpa Vosa (x2). (c) T. transvaalensis Vosa (x2). (d) T. acutiloba Harvey (x2). (e) T.<br />
simmleri Beauverd (x4). (f) T. galpinii Schlechter (x2).
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