ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The three species under investigation are self-incompatible annual sunflowers with the same chromosome number (n = 17)8. The parents, Helianthus annuus and H. petiolaris, are widespread polytypic species that are distinguished by several morphological and chromosomal features8, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/375313a0
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